There has been many of the blogs written on Reliance JioCoin as below on Reliance launching JioCoin.
by 
https://steemit.com/smartcryptotrader/@pritam20/reliance-jio-planning-its-own-cryptocurrency-called-jiocoin
by 
https://steemit.com/cryptocurrency/@i-steem/good-news-from-india-relience-jio-is-going-to-launch-its-own-cryptocurrency-the-jiocoin
By 
https://steemit.com/jio/@shitsignals/reliance-jio-planning-its-own-cryptocurrency-called-jiocoin
by 
https://steemit.com/cryptocurrency/@teenovision/india-s-own-digital-currency-from-reliance-jio
By 
https://steemit.com/cryptocurrency/@bikinakarmi/reliance-jio-is-planning-to-develop-its-own-cryptocurrency-jio-coin
Reliance has issued public media release on 31st January 2018 confirming Jio has not launched any JioCoin App:
Note: All the blogs quoted above are as a result of quick search on steemit, and author does not have any intension to slander or discredit originator of these blogs.