new coins launched by rbi 2015
Features of new Re 1 coin
Features of new Rs 5 coin
In July 2016, some shopkeepers in India were reported to be refusing to accept the ₹ 10 coin entirely, the result of a rumour circulating on social media.   It was initially claimed that coins with a 15 notch reverse design lacking the ‘₹’ symbol were fake, compared to the 10 notch version using the symbol introduced in 2011.
The mintmark is featured at the bottom on the obverse of the ₹10 coin. 
STORY SO FAR
News Nation also found a Facebook post claiming the launch of Rs 1,000 coin. ‘1000 rupees coin…recently launched by RBI …Pls Share to All. ’ the Facebook post by one Rupinder Singh said. So, what’s the reality? Has RBI issued the new Rs 1000 coin? Well, the answer is tricky.
The denomination of currencies circulated varies from Rs 2, Rs 3 and Rs 500 notes, and Rs 100, Rs 125, Rs 1000 coins.
WHAT WE FOUND OUT ABOUT THE COINS
We found this Dec. 2015 post from Mintage World – RBI issues coins of INR 75, INR 150, INR 1000!
3. Is the one-rupee note real? Yes.