Hi there,

The marks of jee mains are not revealed by the nta, only your perecentile score are told.

Hence you can not predict your Mark, but you can calculate it by yourself as your responses and official answer keys are released so download it from there and calculate it for every correct answer award 4 marks and for wrong ansews deduct 1 marks.

By this manner you can calculate your marks by yourself.

I hope this help