Hello dear aspirant.

For your kind information BTech exams are generally organised in three different phases. It depends on college and university that what will be the marks division and all. Totally the aggregate marks are 100 of course. It may be devided in 15-15+50/40 and 20/30 marks of TA. Some universities follow 20+20+40/30 and20/30 marks of TA.

Good luck.