WAM4 23 coach 12509 Bangalore Guwahati express overtakes WAP4 17405 Tirupati Adilabad Krishna express at Vetapalemu, 8 km from Chirala. WAP1 Jan Shatabdi came screaming after 5 minutes - http://www.youtube.com/watch?v=ql3usPEXwns Krishna P4 LGD. M4 AJJ 21272. Connects Bangalore and Guwahati, covering a distance of 2992 km in about 53.20 hrs and 40 halts. Belongs to North Frontier Railway. Runs thrice a week. 12509 departs SBC Wednesdays, Thursdays and Fridays. 12510 departs GHY Sundays, Mondays and Thursdays. Guwahati Dibrugarh Playlist - http://www.youtube.com/playlist?list=PL698B8DAB98C50E49 Krishna express connects Tirupati and Adilabad, covering a distance of 1228 km in about 24.25 hrs and 60 halts. Belongs to South Central Railway. Krishna Playlist - http://www.youtube.com/playlist?list=PLA98450600BD05FB2