Airtel — outgoing stop from last 10 days

Dear sir,
My self naresh goswami and mobile no. Is [protected]. This connection provided under poatpaid cug connection of vardhaman group of industries.
I have port my sim to airtel postpaid to prepaid by submitted all dues and by otp verification.
And my sim finally convert in prepaid.
But now issue is this, that at my sim no any frc recharge success from last 10 days after also swapping my sim in prepaid. And so many calling and complaining to customer care and supervisor.
I am wandering here to there. So now i required your urgent help.

Please help...

Thank
Naresh goswami