Hello Rishabh.

See the marks u have scored in the JEE ADVANCED exam is enough for u to grab a seat in the average IITs under ur SC category to pursue ur higher studies in the field of ur interest under the btech courses. U can also apply for the top ones but u have to compromise with the branches. I m providing u a link for ur help.

https://www.google.com/url?sa=t&source=web&rct=j&url=https://engineering.careers360.com/articles/jee-advanced-college-predictor/amp&ved=2ahUKEwi34t-pssPiAhXO7XMBHZjCDLMQFjAJegQICBAC&usg=AOvVaw04eZVnM7-IQqeSYMeGl8Wq&ampcf=1

Ask if any query. Good luck