Lucky Community

It is written on your physical sim card Parminder.PUK is usually 8 digit.Sim is 20. 

It is in your mobile app. 

yes, as per their current policy one can hold a mobile number for 04 months, Just stop recharging it. Chatr mobile was holding this one for 06 months and now 03 months. But Lucky mobile is giving one month extra as compare to the others at present.