GD Nellore: A police constable who was on police duty during TDP MLC Nara Lokesh's padayatra died of a heart attack on Thursday evening in the Gangadhara Nellore (GD Nellore) constituency. As per reports, head constable Ramesh was on police duty during the padayatra. The TDP activists tried to attack the police during the walkathon and Nara Lokesh also allegedly instigated