As far as I know both the college's are known as one of the best colleges for b.tech. They have good infrastructure., Job opportunities., Faculty etc., Iam gonna say about both the Colleges but it will always be upto you what you wanna choose.

Bhanasthali Vidyapeeth jaipur college is larger residential area in India.. The faculty helps you in everything and the infrastructure of the college is also good. This college offers a separate internship from all the sectors for the students and also the placement in this college are too good..The minimum salary package is 3.5 lakh per annum.

KIIT is Bhuvaneshwar ranked has 21 in university ranking and has status of institute of eminence among 20 universities. This college is deemed university and it also ahs good placement opportunities every year and have 100% placement record .

If you see the review of both the college's then both have 8 above out of 10., So both the college's are at it's best.