Communication and IT Minister Ravi Shankar Prasad has asked Telecom operators to address the problem of call drops. He said it is not appreciable for them to just add customers but not look after their convenience. Talking to reporters on the sideline of a function in Gurgaon, Mr. Prasad said it is the operators' responsibility to worry about consumers' interests. He said operators should improve their network by investing in it. <br/><br/>The problem of call drops has worsened in the recent months and even the Prime Minister has voiced serious concern on the issue. He had directed officials to resolve the problem urgently. Telecom operators have cited shutting down of mobile towers due to radiation fears, as also lack of spectrum, as the major reasons for call drops.