As you have asked about the opening and closing rank of last year for admission to undergraduate course in National institute of Technology (NIT) Agartala, I am giving you information about it, check below for the details
OPENING AND CLOSING RANKS FOR VARIOUS COURSES : JEE (Main) – 2015

Quota Branch name OPO OPC
4-year B.Tech. Course
HS Chemical Engineering 39674 209715
OS Chemical Engineering 13331 22798
HS Civil Engineering 26032 188277
OS Civil Engineering 15421 25324
HS Computer Science and Engineering 28707 175909
OS Computer Science and Engineering 9140 16163
HS Electrical Engineering 26465 167706
OS Electrical Engineering 16041 22442
HS Electronics and Communication Engineering 19100 159450
OS Electronics and Communication Engineering 14477 21444
HS Mechanical Engineering 26066 109525
OS Mechanical Engineering 10348 21442
HS Electronics and Instrumentation Engineering 173017 218939
OS Electronics and Instrumentation Engineering 22029 24440
HS Bio Engineering 206774 258430
OS Bio Engineering 23184 26930
HS Production Engineering 223122 257607
OS Production Engineering 23770 28396
5-year B.Tech. + M.Tech. Dual Degree Course
HS Engineering Physics 218387 238265
OS Engineering Physics 11521 22850
Five-Year B.S. and M.S. Dual Degree Courses
HS Physics 61045 195183
OS Physics 9545 23882
HS Chemistry 223158 244822
OS Chemistry 24486 27269
HS Mathematics 196257 230417
OS Mathematics 22651 27173