Hi, I'm Mike Patrick. This is how to do Hindu shuffle.
It looks like this. It's a very traditional way of shuffling cards. What you do is you hold them from the inner end. My ring finger and middle finger are on the edge, my index finger is curled over the top and my thumb is parallel to those two fingers on the other side. Your other hand is going to come in. I usually use my middle finger and thumb to break off a packet of cards and pull it into this hand and allow it to fall. You simply repeat this action, breaking off a piece with the thumb moving forward, allowing it to drop over and over again until you exhaust your packets. So, in speed, it would look like this.
There are a number of ways to use this. One is obviously, just as a way of mixing the cards. There are other ways of controlling cards and other things that you can look into that will allow you to use the Hindu shuffle more deceptively.
That's how to do a Hindu shuffle.