Anand Rathi — Want to unlink my nism certificate from there trading terminal

Address:

Anandrathi Plot no 5-6 mp nagar zone 1 bhopal

Hello sir i previously working in a brockrage firm and thay activated a bse trading terminal on my nism certificate but before few months i quit that job but thay still running there trading terminal on my certificate
I want to join somewhere else but they're defuse to unlink my certificate from there terminal
So what i can i do now, i want to unlink my certificate from there
Please help me
My name is sahitya sharma
And my nism certificate no. [protected]
Pan no. FKOPS5053N