He was 55.
The mishap occurred around 2 am near Ranasthalam in Srikakulam. He was rushed to a private hospital where doctors declared him dead on arrival.
TDP leaders expressed shock over his death. A pall of gloom descended on the TDP state headquarters N T R Bhavan in Hyderabad as senior leaders rushed in to pay floral tributes to the departed leader.
"I lost my right hand," an emotional TDP chief Chandrababu Naidu said.
Naidu, who was camping in Mahbubnagar district as part of his 'Vastunna Meekosam' foot march, expressed grief over Yerran Naidu