Pagidipalli–Nallapadu section  The Pagidipalli (Bibinagar)–Nallapadu section is an electrified single track railway section in Guntur railway division of South Central Railway. The Guntur-Macherla section was opened in 1930. A new railway line from Bibinagar to was started in 1974 and foundation stone was laid by then Prime minister of India Indira Gandhi on 7 April 1974 and opened for traffic in 1989 there by making connectivity between and . This route starts from and passes through Nalgonda, Miryalaguda, , Piduguralla, and joins Nallapadu near .