Regarding peronal load(unsecured) in india..i am unable to repay the amount so wat happens in worest case?

Hi im unable to pay unsecured perosnal loan in india so wat happens in worst cases..as of now im staying in london i dont have job...so i cant repay them in india ..so wat the bank do now?..do they complain to london police? and do they put case in india court ..if so wat court decides..pllzzz let me know in detail ..even im planning to go back in india..WORST CASE WAT THE BANK PEOPLE DO.....PLZZ LET ME KNOW IN DETAIL.. I KNOW THEY PUT SOME AGENCY I MEAN RECOVERY PEOPLE BUT AFTER THAT WAT THEY DOOO? PLZZ GIVE PERFECT AND DETAIL ANSWER..and also any warrent from court wat happens as im in london ..if i come to india in near future how to escape....plzz let me know all in detail...end of the day wat happens