RBI introduces new Rs 10 coin.

The value of money is really going down as RBI now introduces new Rs 10 coin.
The coins which are currently in India are of 25 paise, 50 paise, 1,2 and 5 rupees. And now here is Rs 10 coin.
This coin is a Bi-metallic coin .
Outer circular part of coin is made up of Bronze, Centre circular part of the coin is made up of Ferrous steel.
One side of this coin is printed with National Emblem, Number 10, Year.
The diameter is 28mm. Weight is 8 gms. In this financial year RBI is planning to issue 2,50,00,000 coins worth of 25 Crores.
It is designed by National Institute of Design.

What next can we expect from RBI in next 10 Years ? Is it Rs 20 and Rs 50 Coin ?