Popotlal z a famous character of Taarak Mehta Ka Ooltah Chasmah of Sab TV..... He z dying to get married for a long tym.... Similarly we Airtel customers are dying to get channels for a long tym....
If you want to deactivate now - call cc.
If lock-in period is 1 day then you can deactivate tomorrow through selfcare (manage service).
If lock-in is 30 days then also call cc or wait 30 days and deactivate from selfcare.