Hello Bhupendra, please check out the following link for detailed info on CSAB counselling https://engineering.careers360.com/articles/csab-special-round-for-nits-iiits-and-gftis

Fee for ST candidate:

• all fresh candidates without having paid seat acceptance fee: Rs 16500
• candidate retaining josaa seat: Rs. 16500
• Candidate alloted seat in josaa with SC/ST/PwD but different category in CSAB: NA
• Candidate got, accepted and paid for seat in Josaa but didn't report to alloted college: Rs. 1500

• If any candidate has deposited the initial fee (Rs 35,000 for GEN, OBC-NCL candidates and Rs. 15,000 for SC, ST, GEN-PwD, OBC NCL PwD, SC-PwD or ST-PwD candidates) then he/she will have to pay the balance fee (deducting the initial fee) at the time of reporting at the allotted institute.
• In case, no initial fee has been deposited then the whole amount has to be paid at the time of reporting to the allotted institute