Airtel — prepaid sim activation problem

Got a new sim from airtel express hassan
Customer care executive dint care to ask my email and said number will be active within 15-20 mins
As informed i called from new number which asked for otp sent to alternate number which i entered and ivr said phone will be activated in 4 hrs and call got disconnected
I inserted that sim into agricultural mobile starter and left that place
Now my sim is not active