Both these colleges are almost ranked same as far as CSE placements are concerned. The highest package for NIT Raipur was 33 lakhs per annum last year and 39 lakhs in AIT Pune last year. And the average salaries in each of these colleges is aaround 5-7 lakhs per year for students with 95 and 97 percentage placement records. I will personally recommmend you to choose AIT Pune since it has got great infrastrucutre and a high participation into extra curricular activites may it be sports or cultural related.

Refer to the sites for more detailed information -

https://www.careers360.com/colleges/army-institute-of-technology-pune

https://www.careers360.com/university/national-institute-of-technology-raipur

Best wishes. Thankyou.