There are multiple price guesstimates in the market.
Official NextBit Robin website shows the price of 399$. This means by currency conversion the price goes above 26585 Rs. If the price point is kept with currency conversion in mind then the price remains above 20K.
91Mobiles predicting the price being lower than 20K and they have posted the expected price as 19,990 INR.
Smartpix predicting the price in the range of Rs. 17,500 to Rs. 22,500 INR.
So you can guess the final pricing will be after the official launch of the phone in the market.