I think in level 2 and 3 you should identify through Aadhar and Driving License, Voter Card, Family ID. Along with this, in level 4 you should take PAN card and bank statement for the source of money.And it should be ensured that the address and name data of all of them are same. In this way every player from India can easily get his ID verified All these are documents issued by the government Every citizen has to get it made as soon as he turns 18 years old Stake should pay attention to this