TPS has nothing to do with our current status.

Documents you need for TPS

I-821 form with I-765 form
I-94
Copy of passport
Copy of visa
Supporting documents such as how earthquake had effect you and your family in Nepal


No need of photo

You need to pay $80 as biometric service charge
As your documents is accepted you are called to take photo , thumps print and signature.

I-821 fee $50
I-765 fee $380

U can buy money order in postal service . in some case check is not accepted so I recommend you to buy money orders.
U need to mention separately , don't take risk.