Jio does it again as new deal sends shares tumbling

Reliance Jio has unveiled a new postpaid tariff to further undercut rivals plans and reinvigorate the enthusiasm which saw millions of customers flock to the telco.
The new deal is priced at Rs 199 per month offering 25 GB data, while all phone calls and texts are also included. It is pretty much as low as you can get but still make money (questionable as to how much though), with the added bonus of tumbling share prices for all its competitors.
Over the last 24 hours, shares in Bharti Airtel dr