You will get the best 64GB Memory Card for Mobile phones in India. You can choose any of them and then buy your best and simple 64GB Memory Card for Mobile phones.
These 64GB Memory Cards are available on popular E-commerce sites like Amazon, Flipkart etc. So You don’t need to go to a local retail store.
However, I will suggest you go to near retailer what if they are selling at low cost then you can save your little amount of money. Now, brands are competing with latest specifications and they sell their 64GB Memory Cards exclusive on e-commerce sites.
But if you know someone where you can get these 64GB Memory Cards offline then try to bargain as well.