Airtel — Stopped my outgoing of post paid no

Company is charging extra amount on my post paid no [protected], , I have grouped this no in airtel family 999plan, Instead of providing one bill of 999 plan, They are charging me bill for 999 plan &also of [protected].
Instead of resolving my concern, they stopped my outgoing of [protected].Pls take a strong action against company fraud & ask them to reimburse my money. .