Is address proof needed for current address, if its different from permanent address

[imdsumit]

My current address is different from my permanent address (same country, different city).
- Do I need to show any address proof for current address? (I don't have any authorized proof right now because staying on rent)
- Can I mention my in-laws address as mailing address (As no one living at permanent address and not sure how long I will stay at current address)