NIIT — Refund not initiated

Hi,
i am student of niit janakpuri with student id s[protected].i have requested to downgrade my program from aniit in banking and finance to Diploma in Banking and finance.They downgraded my program but i haven't received my refunded amount till now.when i call niit janakpuri they just manipulate me.CEO seema seth says that she left niit I can't help u and accountant mr.raghunath says that talk to seema regarding same.owner of niit janakpuri mr Shekhar bhatia said that because of.lockdown.he has not initiated my refunded.but i made this request 2 months before lockdown and i dont think lockdown can affect NEFT banking services.kindly help.me.regarding same