Sir if i give the exam of 4 subjects of class 12 through nios on demand exam and one subjects are taking by transfer of credit(toc) in nios on demand then am i eligible for jee advanced..???

Hello student yes you're eligible as eligibility criteria says that Candidates must have passed class 12 with physics chemistry and mathematics with minimum 75% of Mark's (for nit/iits /IIITs) from a recognized board. And national school of open learning(nios) is an recognised board.

Application for jee main April exam shall begin from 07th of February and shall remain open till 07th of March 2020.

Feel free to comment if you have any doubt
Good luck