what marks is required for sc category students to get top nit in jee main exam rank around 400 in jee mains( sc category).

For tops NIT in jee mains cutoff is 50- 55 in 2021
To base on expected qualifying jee mains cutoff 2021 marks. And also its depends on which department you want to study .

You can visit NIT colleges site and see there cutoff and all requirements

SVNIT Surat - Sardar Vallabhbhai National Institute of Technology

MNNIT Allahabad - Motilal Nehru National Institute of Technology Allahabad Prayagraj

NIT Trichy - National Institute of Technology Tiruchirappalli


NIT Jalandhar - Dr B R Ambedkar National Institute of Technology

NIT Surathkal - National Institute of Technology Karnataka

VNIT Nagpur - Visvesvaraya National Institute of Technology

NIT Warangal - National Institute of Technology

NIT Rourkela - National Institute of Technology

NIT Calicut - National Institute of Technology

NIT Raipur - National Institute of Technology

NIT Andhra Pradesh - National Institute of Technology

NIT Delhi - National Institute of Technology

NIT Durgapur - National Institute of Technology

NIT Goa - National Institute of Technology

You can also visit the college website. Because every year rank  was change as per course.

Thank you. I think this answer helps you.