I’m in Dubai and need to file a civil case in India against a customer who owes me around ₹75 lakhs for products I sold him. Due to the delayed payment, I’m also charging interest at 8-9%, bringing the total owed to over ₹1 crore. As I can’t travel to India for the case, I need to appoint a lawyer through a Power of Attorney. Do I need to use stamp paper for this Power of Attorney and if so, what value? Also, does it need to be notarized or attested?