Truecaller is in a major clash with India's telecom regulator, TRAI, over anti-spam rules that the caller ID company claims are leading to millions of unanswered business calls daily. Truecaller CEO Rishit Jhunjhunwala argues TRAI's mandate against labeling spam on 140 and 1600 number series is eroding consumer trust and inadvertently aiding spammers, with.