HELLO AKHIL
Coming to BITS pilani there is different fee structure for all the three campuses in terms of HOStel and mess so ill give you the official link where everything is mentioned in detail
BITS https://www.bitsadmission.com/fdfee201920.aspx
NOw coming to SRM there is different fee structure for different course
so you can visit the official website for fee structure
SRM http://srmimt.net/fee-structure
Now There is different fee structure for group a and group b for VIT
the official link as follows
https://vit.ac.in/admission/ug/fee-structure
Manipal is same as SRE
https://engineering.careers360.com/articles/manipal-university-fee-structure-b-tech
HOPE IT HELPS!!