HP Touchpad is not directly available in India, however, you could order it through sites like these
Ebay.in
20North (Not sure if they have stock, they keep flip flopping)
Shop your world/
In all of the above cases, you won't be getting the tablet for 99$, they are usually double the price or more. I would recommend waiting for the prices to come down and not buy from all of these who are trying to make some quick money.