Which college can I get with 41 marks in JEE advanced 2017 in SC category?

You can't get any IIT, because your score is too low. Otherwise, use career 360 app to predict your colleges and you can get other colleges through your JEE Main score.

At these marks, you can't get admission in any IIT. You can use your JEE Mains rank to get admission anywhere else. You can predict colleges according to your marks through Shiksha College predictor.