Lateral entry

You have some limited chances. Yet also, you have lots of option. Firstly, search on NET some of government colleges locally. Then, give the exam for private universities for B.Tech lateral entry. You will easily get the admission in B.Tech lateral entry, but you should be careful with the ranks and marks while taking the exams.

Yes, it is a very good way to pursue both. Also, you will get two degree, one is of Diploma and other is of B.Tech course, which will increase your experience. But, be attentive while pursuing the B.Tech course, because it is more practical based than the Diploma degree. It might led you to face some problem in starting. Also, as coin has two faces you have to face some disadvantage and advantage too while doing B.Tech regular way and you are in a lateral student.

If you are born on or after 1st July, 1996 and completed Diploma or its equivalent with minimum 60% aggregate marks. Then only you are eligible to appear for the admission test. Admission into B.Tech Lateral Entry Programmes will be through VUCET on-line test, conducted by Vignan's University or qualify in E-CET. You have to contact with Vignan's University for further details.

Hello Shivani, The following Government colleges offer Lateral Entry in B.Tech :
Guru Gobind Singh Indraprastha University
Indian Institute of Technology Delhi (IIT-D)
Delhi Technical University ( Formerly DCE-Delhi College of Engineering)
Government College of Engineering - Pune
Punjab University - Chandigarh
Guru Nanak Dev Engineering College - Ludhiana
Anna University - Tamilnadu
Punjab University - Chandigarh
Best Wishes!