Hello Snehita,

The following documents are needed when you are going for the councelling in BITS

• 10th marksheet
• 12th marksheet
• Migration Certificate
• Medical Fitness Form
• Anti ragging affidavits
• DD of the amount
• Along with the Photocopy of each

And regarding more information here I am providing you a link for your help

https://www.careers360.com/university/birla-institute-of-technology-and-science-pilani

https://www.careers360.com/colleges/bits-pilani-hyderabad-campus-hyderabad

Hope this will help you  in a good way and can ask for further clarification regarding more questions