Can one produce a rental agreement from parents as proof of address?
Rent Agreement is only a Temporary address where your presence can be checked for the purpose of passport or as a delivery address for the document. The passport authority always rely on the permanent address of the applicant. Now your point, you can make rent agreement with parent like any other agreement but will not serve the purpose of permanent address proof. If your parents are permanently resident of this address with a valid proof, then same will be considered as your valid address proof and you need not to show any rent Agreement. However, Police verification plays a vital role in your address verification.