unlock and jailbreak iphone 5s

hi! i have got a new i phone 5S from US and its in contract
and i want to unlock and jailbreak and use it in India

i have done the jailbreak through Panju OS 7.1.2, but still when i insert my India sim it shows invalid

could any one guide me the process to unlock so i used the same in India

Thanks Regards
Bhushan

Answers