Trai — unethical coercive behaviour of vodafone idea ltd.

I, harkesh singh dagar, am a prepaid subscriber of idea cellular ltd (Now vodafone idea ltd) with cellphone number [protected]. Even though there is sufficient unlimited full talktime balance (Over rs. 213/-, photo attached), call outgoing has been disabled, and i am being coerced to recharge. Further, i got a sms which states "hi, you are on new plan wef 23oct18. For best offers dial *121#. To extend service validity by 28 days recharge with rc24 or above (Dial *150*24# to use tt bal). How can a service provider retrospectively change plan and force a customer to recharge for a monthly plan? Further, i have no clue to which plan i have been shifted to without my consent. As per trai recent directive, the company is not supposed to disable services if sufficient balance is available.
Kindly ensure that outgoing service is restored, and i, and countless subscribers like me, are not needlessly harassed.