TRAI seeks views on mandatory caller ID display on all mobile phones to check spam, fraud
It has sought feedback from industry on whether existing telecom networks already support provisioning of the proposed calling name presentation (CNAP) service. It also wants clarity on whether mobile phones and landline telephone sets in use in India are already enabled with the CNAP feature, and if not, what needs…

Calls have come from this number 4 or 5 times over the past month (June 2016). Once I did pick up, and the (East European or Middle Eastern?) accented woman was trying to get me interested in trading of some sort. I'm NOT interested.
Another time I accidentally answered... My cell phone connects even if you accidentally touch ANY button, but a warning (from my provider?) suggested that I terminate the call immediately which I did.