National Institute Of Open Schooling — absent in tma

Address:

West Tripura, Tripura, 799004

Respected sir,

I am suparna chakraborty
Enrollment no.[protected],

I have submitted tma of subject english (302) and bengali (303) at the month of october, 2018 but in my result there is showing (Ab) absent on tma, i have communicated with the study center code 200025 and that center person saying that i have nothing to do about this result. He agreed that i have submitted tma.
I tried to contact with you contact no and email address several time but no reply has got from your side.
So, i want to ask that why there is showing absent and when it will be rectified. Please solve my problem.

Kindly help me sir.