Hii Abhisht..

First of all huge congrates for your success in Jee Advance!!! Seems like your hardwork had finally pay off to you.

Coming to your question I would say you will surely get your desired branch in many of the IITs.

Since JoSAA havenot released the cutoffs yet we can only provide you with the expected results. For CSE branch the best IIT you can get is IIT Roorkie . Since IIT Roorkie was having opening rank 278 and closing rank 416 for cse. And other than that you can get cse in other IITs as well, they are-

IIT BHU

IIT ROPAR

IIT PALAKKAD

IIT PATNA

IIT TIRUPATI

IIT GUWAHTI

IIT HYDERABAD

IIT JAMMU

IIT BHUBANESHWAR

IIT INDORE

IIT DHARWAD

IIT BHILAI

IIT GOA

IIT JODHPUR

IIT MANDI

IIT GANDHINAGAR

IIT DHANBAD

Note- All the data provided are of year 2018. Present year scenario are expected to be similliar to it.

All the best for your future. Hope you may get your desired college and branch.

How much marks you got, abhisht

Hey Abhisht

Congratulations on achieving such a great rank!!! You have done really well!!

Yes you can definitely get Computer science branch, you need to check the previous years' cutoffs for the same. There will be a little variation in the cutoffs this year though.
According to the previous year statistics, you may get the following options-

IIT Roorkee
IIT Guwahati
IIT Kanpur
IIT Hyderabad
IIT Indore
And all other second tier IITs as well. Also, you may get other branches in IIT Bombay, Delhi and Madras.

Choose wisely according to your interests and location preference.

I hope this helps. All the best!!