IIEST Shibpur is better between the NIT Jamshedpur and IIEST.

IIEST is the oldest engineering college of India. Almost every year 80% students of IIEST get placed. Also it is among the top institutes of India in the field of research. IIEST got 20 NIRF rank all over the India.

NIT Jamshedpur is an average NIT with 75% placements. NIRF ranking of NITJSR is 79. Academics is also average.

Hope you get the required information. Good luck.