how much marks should i bring to get good rank for btech in cse?
Can you please elaborate your question that for which engineering entrance exam you are asking about so that we can assist you in a better way.
If you are asking about jee mains,then try to score 230 around marks in it to get some of the top NITs and IIITs for CSE branch.
Good luck.

Thanks for connecting to careers360,
First of all you have to mentioned in which exam you have to score.
There are many exam, through which you can get admission.
Hope it's helpful.
Thank you.