Sri Vijaya Puram, May 15: The Doordarshan Kendra, Sri Vijaya Puram will telecast live phone-in programme ‘Doctors Speak’ on the topic ‘National Dengue Day’ on May 16 from 5.30 pm to 6 pm. Dr. B.Ajit Kumar, Deputy Director (Malaria),Joint Secretary, NVBDCP, DHS will be the expert in the studio, answering queries of the viewers. Viewers can participate in this live phone-in programme by dialling on phone no. 244745 or 245662.