Skip to content
Tamil Nadu · Survey-Number Guideline Value

KADAYAL survey number guideline values

Government guideline rates for 3,040 survey numbers in KADAYAL village under the Arumanai Sub-Registrar Office, grouped by 14 active land classifications. The Tamil Nadu Registration Department uses these rates as the floor for stamp-duty and registration-fee calculations on every survey-numbered (rural / unnamed-street) parcel transaction in this village.

Survey rate rows
3,040
Active classifications
14 (+1 unpriced)
Lowest priced
₹120 /sqft
Highest priced
₹12,50,000 /sqft

All survey numbers in KADAYAL

Complete list of 3,040 survey-number guideline rates published for KADAYAL, sorted by survey number. Use the search to find a specific number; a fuller per-classification view follows below.

Showing 1–25 of 3,040

Survey No. Classification Rate (Sq Ft / Acre) Rate (Sq M / Hectare) Effective from
160/1 Dry Special Type - III ₹5,50,000/Acre ₹13,59,500/Hectare 01-Jul-2024
160/2 Residential Class III Type - I ₹120/sqft ₹1,295/sqm 01-Jul-2024
160/3 Govt. Others 01-Jul-2024
160/4 Residential Class III Type - I ₹120/sqft ₹1,295/sqm 01-Jul-2024
161/1 Wet Channel Irrigation Single Crop Type - II ₹8,00,000/Acre ₹19,77,000/Hectare 01-Jul-2024
161/2 Govt. Others 01-Jul-2024
162/0 Dry Special Type - III ₹5,50,000/Acre ₹13,59,500/Hectare 01-Jul-2024
163/0 Govt. Others 01-Jul-2024
164/0 Govt. Others 01-Jul-2024
165/0 Govt. Others 01-Jul-2024
166/0 Govt. Others 01-Jul-2024
167/1 Govt. Others 01-Jul-2024
167/2 Residential Class I Type - I ₹175/sqft ₹1,885/sqm 01-Jul-2024
168/0 Govt. Others 01-Jul-2024
169/0 Govt. Others 01-Jul-2024
170/1 Dry Special Type - III ₹5,50,000/Acre ₹13,59,500/Hectare 01-Jul-2024
170/2 Dry Special Type - III ₹5,50,000/Acre ₹13,59,500/Hectare 01-Jul-2024
171/0 Dry Special Type - III ₹5,50,000/Acre ₹13,59,500/Hectare 01-Jul-2024
172/1 Dry Special Type - II ₹7,00,000/Acre ₹17,30,000/Hectare 01-Jul-2024
172/2 Dry Special Type - II ₹7,00,000/Acre ₹17,30,000/Hectare 01-Jul-2024
172/3 Dry Special Type - III ₹5,50,000/Acre ₹13,59,500/Hectare 01-Jul-2024
173/0 Govt. Others 01-Jul-2024
174/0 Dry Special Type - III ₹5,50,000/Acre ₹13,59,500/Hectare 01-Jul-2024
175/0 Govt. Others 01-Jul-2024
176/0 Govt. Others 01-Jul-2024

Rates by land classification

Each block below is one land-classification category with all the survey numbers under KADAYAL that fall in it. Rates come directly from the TNREGINET portal and are the legal floor for property registration.

Commercial Class I Type - I

200 survey numbers

Survey No. Rate (Square Feet) Rate (Square Metre) Effective from
365/1 ₹300 ₹3,230 01-Jul-2024
365/2 ₹300 ₹3,230 01-Jul-2024
366/21 ₹300 ₹3,230 17-Apr-2026
366/22 ₹300 ₹3,230 17-Apr-2026
366/31 ₹300 ₹3,230 27-Feb-2026
366/32 ₹300 ₹3,230 27-Feb-2026
366/57 ₹300 ₹3,230 13-Jan-2026
366/58 ₹300 ₹3,230 13-Jan-2026
369/10 ₹300 ₹3,230 03-Sep-2024
369/11 ₹300 ₹3,230 22-Oct-2024
369/12A ₹300 ₹3,230 16-Jun-2025
369/12B ₹300 ₹3,230 16-Jun-2025
369/12C ₹300 ₹3,230 16-Jun-2025
369/13 ₹300 ₹3,230 22-Oct-2024
369/14 ₹300 ₹3,230 22-Oct-2024
369/15 ₹300 ₹3,230 29-Oct-2024
369/16 ₹300 ₹3,230 29-Oct-2024
369/17 ₹300 ₹3,230 24-Feb-2025
369/18 ₹300 ₹3,230 24-Feb-2025
369/19 ₹300 ₹3,230 24-Feb-2025
369/20 ₹300 ₹3,230 24-Feb-2025
369/21 ₹300 ₹3,230 24-Feb-2025
369/3A1A1A1A1A ₹300 ₹3,230 24-Feb-2025
369/3A1A1B ₹300 ₹3,230 26-Jul-2024
369/3A1A2 ₹300 ₹3,230 01-Jul-2024

Commercial Class I Type - II

247 survey numbers

Survey No. Rate (Square Feet) Rate (Square Metre) Effective from
199/5A1 ₹205 ₹2,210 01-Jul-2024
199/5A2 ₹205 ₹2,210 01-Jul-2024
199/5A3 ₹205 ₹2,210 01-Jul-2024
360/2 ₹205 ₹2,210 01-Jul-2024
363/1A ₹205 ₹2,210 27-May-2025
363/1B ₹205 ₹2,210 27-May-2025
363/1C ₹205 ₹2,210 27-May-2025
363/1D ₹205 ₹2,210 27-May-2025
363/3A ₹205 ₹2,210 16-Dec-2025
363/3B ₹205 ₹2,210 16-Dec-2025
392/1A1 ₹205 ₹2,210 21-Dec-2025
392/1A2 ₹205 ₹2,210 21-Dec-2025
392/1B ₹205 ₹2,210 01-Jul-2024
393/1A ₹205 ₹2,210 27-Mar-2025
393/1B ₹205 ₹2,210 27-Mar-2025
393/6 ₹205 ₹2,210 01-Jul-2024
394/11 ₹205 ₹2,210 01-Jul-2024
394/12 ₹205 ₹2,210 01-Jul-2024
394/1A1A ₹205 ₹2,210 01-Jan-2025
394/1A1B ₹205 ₹2,210 01-Jan-2025
394/1A2 ₹205 ₹2,210 01-Jul-2024
394/1B ₹205 ₹2,210 01-Jul-2024
394/2 ₹205 ₹2,210 01-Jul-2024
394/3A ₹205 ₹2,210 01-Jul-2024
394/3B ₹205 ₹2,210 01-Jul-2024

Commercial Special Type - I

6 survey numbers

Survey No. Rate (Square Feet) Rate (Square Metre) Effective from
208/16 ₹210 ₹2,265 01-Jul-2024
208/23 ₹210 ₹2,265 01-Jul-2024
208/25 ₹210 ₹2,265 01-Jul-2024
208/26 ₹210 ₹2,265 01-Jul-2024
208/35 ₹210 ₹2,265 01-Jul-2024
208/86 ₹210 ₹2,265 29-Apr-2025

Dry Maanavari Lands Type - I

10 survey numbers

Survey No. Rate (Acre) Rate (Hectare) Effective from
285/2 ₹10,00,000 ₹24,71,000 01-Jul-2024
335/2 ₹10,00,000 ₹24,71,000 01-Jul-2024
688/6 ₹10,00,000 ₹24,71,000 01-Jul-2024
731/0 ₹10,00,000 ₹24,71,000 01-Jul-2024
732/0 ₹10,00,000 ₹24,71,000 01-Jul-2024
733/0 ₹10,00,000 ₹24,71,000 01-Jul-2024
750/13 ₹10,00,000 ₹24,71,000 01-Jul-2024
750/14 ₹10,00,000 ₹24,71,000 01-Jul-2024
750/15 ₹10,00,000 ₹24,71,000 01-Jul-2024
750/16 ₹10,00,000 ₹24,71,000 01-Jul-2024

Dry Maanavari Lands Type - II

1 survey number

Survey No. Rate (Acre) Rate (Hectare) Effective from
684/4 ₹6,00,000 ₹14,83,000 01-Jul-2024

Dry Special Type - I

23 survey numbers

Survey No. Rate (Acre) Rate (Hectare) Effective from
209/0 ₹9,00,000 ₹22,24,000 01-Jul-2024
217/0 ₹9,00,000 ₹22,24,000 01-Jul-2024
218/0 ₹9,00,000 ₹22,24,000 01-Jul-2024
238/0 ₹9,00,000 ₹22,24,000 01-Jul-2024
239/0 ₹9,00,000 ₹22,24,000 01-Jul-2024
240/0 ₹9,00,000 ₹22,24,000 01-Jul-2024
241/0 ₹9,00,000 ₹22,24,000 01-Jul-2024
242/0 ₹9,00,000 ₹22,24,000 01-Jul-2024
243/0 ₹9,00,000 ₹22,24,000 01-Jul-2024
244/0 ₹9,00,000 ₹22,24,000 01-Jul-2024
245/0 ₹9,00,000 ₹22,24,000 01-Jul-2024
247/0 ₹9,00,000 ₹22,24,000 01-Jul-2024
248/0 ₹9,00,000 ₹22,24,000 01-Jul-2024
249/0 ₹9,00,000 ₹22,24,000 01-Jul-2024
392/4 ₹9,00,000 ₹22,24,000 01-Jul-2024
393/3A ₹9,00,000 ₹22,24,000 01-Jul-2024
393/3B ₹9,00,000 ₹22,24,000 01-Jul-2024
393/3C ₹9,00,000 ₹22,24,000 01-Jul-2024
393/4 ₹9,00,000 ₹22,24,000 01-Jul-2024
687/4 ₹9,00,000 ₹22,24,000 01-Jul-2024
728/0 ₹9,00,000 ₹22,24,000 01-Jul-2024
729/0 ₹9,00,000 ₹22,24,000 01-Jul-2024
730/0 ₹9,00,000 ₹22,24,000 01-Jul-2024

Dry Special Type - II

21 survey numbers

Survey No. Rate (Acre) Rate (Hectare) Effective from
172/1 ₹7,00,000 ₹17,30,000 01-Jul-2024
172/2 ₹7,00,000 ₹17,30,000 01-Jul-2024
186/0 ₹7,00,000 ₹17,30,000 01-Jul-2024
189/2 ₹7,00,000 ₹17,30,000 01-Jul-2024
206/1 ₹7,00,000 ₹17,30,000 01-Jul-2024
206/3 ₹7,00,000 ₹17,30,000 01-Jul-2024
211/0 ₹7,00,000 ₹17,30,000 01-Jul-2024
212/0 ₹7,00,000 ₹17,30,000 01-Jul-2024
213/0 ₹7,00,000 ₹17,30,000 01-Jul-2024
214/0 ₹7,00,000 ₹17,30,000 01-Jul-2024
219/0 ₹7,00,000 ₹17,30,000 01-Jul-2024
236/0 ₹7,00,000 ₹17,30,000 01-Jul-2024
246/0 ₹7,00,000 ₹17,30,000 01-Jul-2024
252/0 ₹7,00,000 ₹17,30,000 01-Jul-2024
256/1 ₹7,00,000 ₹17,30,000 01-Jul-2024
261/4A ₹7,00,000 ₹17,30,000 01-Jul-2024
261/4B ₹7,00,000 ₹17,30,000 01-Jul-2024
261/4C ₹7,00,000 ₹17,30,000 01-Jul-2024
369/1B ₹7,00,000 ₹17,30,000 01-Jul-2024
369/1C ₹7,00,000 ₹17,30,000 01-Jul-2024
369/4 ₹7,00,000 ₹17,30,000 01-Jul-2024

Dry Special Type - III

430 survey numbers

Survey No. Rate (Acre) Rate (Hectare) Effective from
160/1 ₹5,50,000 ₹13,59,500 01-Jul-2024
162/0 ₹5,50,000 ₹13,59,500 01-Jul-2024
170/1 ₹5,50,000 ₹13,59,500 01-Jul-2024
170/2 ₹5,50,000 ₹13,59,500 01-Jul-2024
171/0 ₹5,50,000 ₹13,59,500 01-Jul-2024
172/3 ₹5,50,000 ₹13,59,500 01-Jul-2024
174/0 ₹5,50,000 ₹13,59,500 01-Jul-2024
187/2 ₹5,50,000 ₹13,59,500 01-Jul-2024
187/3 ₹5,50,000 ₹13,59,500 01-Jul-2024
188/2 ₹5,50,000 ₹13,59,500 01-Jul-2024
191/1 ₹5,50,000 ₹13,59,500 01-Jul-2024
191/2 ₹5,50,000 ₹13,59,500 01-Jul-2024
192/1 ₹5,50,000 ₹13,59,500 01-Jul-2024
193/2B ₹5,50,000 ₹13,59,500 01-Jul-2024
194/0 ₹5,50,000 ₹13,59,500 01-Jul-2024
195/0 ₹5,50,000 ₹13,59,500 01-Jul-2024
196/1 ₹5,50,000 ₹13,59,500 01-Jul-2024
197/1 ₹5,50,000 ₹13,59,500 01-Jul-2024
197/2 ₹5,50,000 ₹13,59,500 01-Jul-2024
197/3A ₹5,50,000 ₹13,59,500 01-Jul-2024
198/1 ₹5,50,000 ₹13,59,500 01-Jul-2024
198/2 ₹5,50,000 ₹13,59,500 01-Jul-2024
198/3 ₹5,50,000 ₹13,59,500 01-Jul-2024
198/4 ₹5,50,000 ₹13,59,500 01-Jul-2024
198/5 ₹5,50,000 ₹13,59,500 01-Jul-2024

Residential Class I Type - I

186 survey numbers

Survey No. Rate (Square Feet) Rate (Square Metre) Effective from
167/2 ₹175 ₹1,885 01-Jul-2024
179/2A1 ₹175 ₹1,885 01-Jul-2024
208/14 ₹175 ₹1,885 01-Jul-2024
208/17 ₹175 ₹1,885 01-Jul-2024
208/67 ₹175 ₹1,885 25-Mar-2026
208/68 ₹175 ₹1,885 01-Jul-2024
208/77 ₹175 ₹1,885 01-Jul-2024
210/0 ₹175 ₹1,885 01-Jul-2024
235/1 ₹175 ₹1,885 01-Jul-2024
235/3 ₹175 ₹1,885 01-Jul-2024
237/0 ₹175 ₹1,885 01-Jul-2024
251/16C1B1 ₹175 ₹1,885 01-Jul-2024
251/20 ₹175 ₹1,885 01-Jul-2024
366/13A ₹175 ₹1,885 01-Jul-2024
366/13B ₹175 ₹1,885 01-Jul-2024
368/2A ₹175 ₹1,885 01-Aug-2024
368/2B ₹175 ₹1,885 01-Aug-2024
368/2C ₹175 ₹1,885 01-Aug-2024
369/1A1 ₹175 ₹1,885 28-Oct-2025
369/1A2 ₹175 ₹1,885 28-Oct-2025
369/2A ₹175 ₹1,885 01-Jul-2024
369/2B ₹175 ₹1,885 01-Jul-2024
369/3A2 ₹175 ₹1,885 01-Jul-2024
369/3A3 ₹175 ₹1,885 01-Jul-2024
369/3A4 ₹175 ₹1,885 01-Jul-2024

Residential Class II Type - I

240 survey numbers

Survey No. Rate (Square Feet) Rate (Square Metre) Effective from
192/3A ₹141 ₹1,520 01-Jul-2024
199/5C2 ₹141 ₹1,520 01-Jul-2024
200/0 ₹141 ₹1,520 01-Jul-2024
208/29 ₹141 ₹1,520 01-Jul-2024
208/36 ₹141 ₹1,520 01-Jul-2024
208/80 ₹141 ₹1,520 01-Jul-2024
221/0 ₹141 ₹1,520 01-Jul-2024
227/4A ₹141 ₹1,520 01-Jul-2024
227/4B ₹141 ₹1,520 01-Jul-2024
227/7B ₹141 ₹1,520 01-Jul-2024
250/17 ₹141 ₹1,520 01-Jul-2024
251/10A ₹141 ₹1,520 01-Jul-2024
251/10B ₹141 ₹1,520 01-Jul-2024
251/13 ₹141 ₹1,520 01-Jul-2024
251/14A1 ₹141 ₹1,520 09-Mar-2026
251/14A2 ₹141 ₹1,520 09-Mar-2026
251/14B ₹141 ₹1,520 01-Jul-2024
251/15A ₹141 ₹1,520 01-Jul-2024
251/15B ₹141 ₹1,520 01-Jul-2024
251/16A ₹141 ₹1,520 01-Jul-2024
251/16B ₹141 ₹1,520 01-Jul-2024
251/16C1A ₹141 ₹1,520 01-Jul-2024
251/16C2 ₹141 ₹1,520 01-Jul-2024
251/18 ₹141 ₹1,520 01-Jul-2024
251/1A1A1A ₹141 ₹1,520 01-Jul-2024

Residential Class III Type - I

1065 survey numbers

Survey No. Rate (Square Feet) Rate (Square Metre) Effective from
160/2 ₹120 ₹1,295 01-Jul-2024
160/4 ₹120 ₹1,295 01-Jul-2024
185/2 ₹120 ₹1,295 01-Jul-2024
187/1 ₹120 ₹1,295 01-Jul-2024
187/10 ₹120 ₹1,295 01-Jul-2024
187/11 ₹120 ₹1,295 01-Jul-2024
187/12 ₹120 ₹1,295 01-Jul-2024
187/4 ₹120 ₹1,295 01-Jul-2024
187/6 ₹120 ₹1,295 01-Jul-2024
187/7 ₹120 ₹1,295 01-Jul-2024
187/8 ₹120 ₹1,295 01-Jul-2024
187/9 ₹120 ₹1,295 01-Jul-2024
192/2A ₹120 ₹1,295 01-Jul-2024
193/1A ₹120 ₹1,295 01-Jul-2024
193/1B ₹120 ₹1,295 01-Jul-2024
193/1C ₹120 ₹1,295 01-Jul-2024
193/2A ₹120 ₹1,295 01-Jul-2024
199/1 ₹120 ₹1,295 01-Jul-2024
199/2 ₹120 ₹1,295 01-Jul-2024
199/5B ₹120 ₹1,295 01-Jul-2024
199/5C1 ₹120 ₹1,295 01-Jul-2024
227/1 ₹120 ₹1,295 01-Jul-2024
227/10 ₹120 ₹1,295 01-Jul-2024
227/11 ₹120 ₹1,295 01-Jul-2024
227/12 ₹120 ₹1,295 01-Jul-2024

Wet Channel Irrigation Single Crop Type - I

12 survey numbers

Survey No. Rate (Acre) Rate (Hectare) Effective from
251/11 ₹12,50,000 ₹30,89,000 01-Jul-2024
251/12 ₹12,50,000 ₹30,89,000 01-Jul-2024
251/4 ₹12,50,000 ₹30,89,000 01-Jul-2024
251/5 ₹12,50,000 ₹30,89,000 01-Jul-2024
251/6 ₹12,50,000 ₹30,89,000 01-Jul-2024
251/7 ₹12,50,000 ₹30,89,000 01-Jul-2024
251/8 ₹12,50,000 ₹30,89,000 01-Jul-2024
251/9 ₹12,50,000 ₹30,89,000 01-Jul-2024
621/3 ₹12,50,000 ₹30,89,000 01-Jul-2024
621/4 ₹12,50,000 ₹30,89,000 01-Jul-2024
709/2 ₹12,50,000 ₹30,89,000 01-Jul-2024
709/3 ₹12,50,000 ₹30,89,000 01-Jul-2024

Wet Channel Irrigation Single Crop Type - II

44 survey numbers

Survey No. Rate (Acre) Rate (Hectare) Effective from
161/1 ₹8,00,000 ₹19,77,000 01-Jul-2024
227/5 ₹8,00,000 ₹19,77,000 01-Jul-2024
358/10 ₹8,00,000 ₹19,77,000 01-Jul-2024
358/11 ₹8,00,000 ₹19,77,000 01-Jul-2024
358/12 ₹8,00,000 ₹19,77,000 01-Jul-2024
358/13 ₹8,00,000 ₹19,77,000 01-Jul-2024
358/14 ₹8,00,000 ₹19,77,000 01-Jul-2024
359/4A ₹8,00,000 ₹19,77,000 01-Jul-2024
359/4B ₹8,00,000 ₹19,77,000 01-Jul-2024
360/3 ₹8,00,000 ₹19,77,000 01-Jul-2024
360/4A ₹8,00,000 ₹19,77,000 01-Jul-2024
360/4B ₹8,00,000 ₹19,77,000 01-Jul-2024
360/5 ₹8,00,000 ₹19,77,000 01-Jul-2024
360/9 ₹8,00,000 ₹19,77,000 01-Jul-2024
385/1 ₹8,00,000 ₹19,77,000 01-Jul-2024
385/6 ₹8,00,000 ₹19,77,000 01-Jul-2024
385/7 ₹8,00,000 ₹19,77,000 01-Jul-2024
387/2A ₹8,00,000 ₹19,77,000 01-Jul-2024
387/2B ₹8,00,000 ₹19,77,000 01-Jul-2024
387/2C ₹8,00,000 ₹19,77,000 01-Jul-2024
387/2D ₹8,00,000 ₹19,77,000 01-Jul-2024
580/8 ₹8,00,000 ₹19,77,000 01-Jul-2024
604/4 ₹8,00,000 ₹19,77,000 01-Jul-2024
648/4 ₹8,00,000 ₹19,77,000 01-Jul-2024
718/1 ₹8,00,000 ₹19,77,000 01-Jul-2024

Wet Channel Irrigation Single Crop Type - III

235 survey numbers

Survey No. Rate (Acre) Rate (Hectare) Effective from
227/6 ₹6,50,000 ₹16,06,500 01-Jul-2024
358/1 ₹6,50,000 ₹16,06,500 01-Jul-2024
358/2A ₹6,50,000 ₹16,06,500 01-Jul-2024
358/2B ₹6,50,000 ₹16,06,500 01-Jul-2024
358/3 ₹6,50,000 ₹16,06,500 01-Jul-2024
358/4A ₹6,50,000 ₹16,06,500 01-Jul-2024
358/4B ₹6,50,000 ₹16,06,500 01-Jul-2024
358/5 ₹6,50,000 ₹16,06,500 01-Jul-2024
358/6 ₹6,50,000 ₹16,06,500 01-Jul-2024
358/9 ₹6,50,000 ₹16,06,500 01-Jul-2024
359/1 ₹6,50,000 ₹16,06,500 01-Jul-2024
359/2A ₹6,50,000 ₹16,06,500 01-Jul-2024
359/2B ₹6,50,000 ₹16,06,500 01-Jul-2024
359/2C ₹6,50,000 ₹16,06,500 01-Jul-2024
359/3 ₹6,50,000 ₹16,06,500 01-Jul-2024
360/10 ₹6,50,000 ₹16,06,500 01-Jul-2024
360/11A ₹6,50,000 ₹16,06,500 01-Jul-2024
360/11B ₹6,50,000 ₹16,06,500 01-Jul-2024
360/11C ₹6,50,000 ₹16,06,500 01-Jul-2024
360/12 ₹6,50,000 ₹16,06,500 01-Jul-2024
360/8 ₹6,50,000 ₹16,06,500 01-Jul-2024
361/2A ₹6,50,000 ₹16,06,500 27-Sep-2024
361/2B ₹6,50,000 ₹16,06,500 27-Sep-2024
361/4A1 ₹6,50,000 ₹16,06,500 01-Jul-2024
361/4A2 ₹6,50,000 ₹16,06,500 01-Jul-2024

Govt. Others

320 survey numbers

No published rate for this classification — usually a Govt./Reserved land type that cannot be transacted.

Survey No. Rate (Acre) Rate (Hectare) Effective from
160/3 01-Jul-2024
161/2 01-Jul-2024
163/0 01-Jul-2024
164/0 01-Jul-2024
165/0 01-Jul-2024
166/0 01-Jul-2024
167/1 01-Jul-2024
168/0 01-Jul-2024
169/0 01-Jul-2024
173/0 01-Jul-2024
175/0 01-Jul-2024
176/0 01-Jul-2024
177/0 01-Jul-2024
178/0 01-Jul-2024
179/1 01-Jul-2024
179/2A2 01-Jul-2024
179/2B 01-Jul-2024
180/1 01-Jul-2024
180/2 01-Jul-2024
181/0 01-Jul-2024
182/0 01-Jul-2024
183/1 01-Jul-2024
183/2 01-Jul-2024
184/1 01-Jul-2024
184/2 01-Jul-2024

Sources: Tamil Nadu Registration Department, tnreginet.gov.in. Rates change periodically through gazetted notifications — verify the live rate on the official portal before executing a sale deed.

The land acquisition software your team needs to close with confidence.

Start a free 14-day Pro trial. No credit card required.

Start Free Trial