Property in Russia how to make power of attorney in india to sell

My friend has a property in Russia, Irkutsk, she's a native Russian but currently residing in Mumbai on a tourist visa, she's selling her Irkutsk house, the issue is she can't go there to do the paperwork and rest formalities whatever concerns between the buyer and the seller, she wants do it from here, tho her mother could handle all the paperwork and transactions on behalf of her. The question is does her mother has to have POA from her daughter to do all the paperwork? What way can she make a Power of attorney from Mumbai, India and give it to her mother to deal all the paperwork ?