Dear Sumit,

Thanks for writin1g to CareerGuide.

First of all congratulations for clearing JEE mains! With the 3600AIR, you might get into Nirma University in less popular engineering branch. IT and CS would be tough. However, don't depend on Nirma University for the admission. You should explore other private universities.

Some university do consider 12th score, which increases the probability of the admission. 

List of private universities/colleges:

Thaper University

Manipal University

Purnima College of Engineering

Sastra University, 

PSG College of Technology, Coimbatore

TSN College of Engineering, Kalavakkam

Shiv Nadar University, Dadri

Jaypee Institute of Information Technology, Noida

International institute of Information Technology, Bangalore

GITAM University, Visakhapatnam

Dhirubhai Ambani Institute of Information Technology and Communication Technology, Gandhinagar 

Birla Institute of Technology, Mesra

Vishwakarma Institute of Technology, Pune

Vignan University, Guntur

The LNM Institute of Information Technology, Jaipur

Sri Manakula Vinayagar Engineering College, Puddicherry

Silicon Institute of Technology, Bhubaneshwar

Shri Ramdeobaba College of Engineering and Management, Nagpur

Shri Govindram Sekßaria Institute of Technology and Science, Indore

Sathyabama University, Chennai

Pandit Deendayal Petroleum University, Gandhinagar

National Institute of National Engineering College, Kovilpatti 

Mukesh Patel School of Technology Management and Engineering, Mumbai

MBM Engineering College Jodhpur

Maharashtra Institute of Technology, Pune

Madhav Institute of Technology and Science, Gwalior

Lovely Professional University

Lakshmi Narain College of Technology, Bhopal

KLE Technological University, Hubli

Somaiya College of Engineering, Mumbai

KL University, Guntur

Galgotia University

BML Munjal University

Jaypee University of IT, Solan

Jaipur Engineering College and Research Centre

Institute of Engineering and Management, Kolkata

Hindustan University, Kelambakka

Heritage Institute of Technology, Kolkata 

Browse through website of these colleges and contact to inquire for admission possibilities based on the score in your preferred engineering field. In case you are confused about selecting engineering branch, you can take up Engineering Branch Selector test from www.CareerGuide.com