In this video you will learn about how to check under frame in 3 Phase Loco.
Three Phase Electric Locomotive :
https://www.youtube.com/watch?v=xBG1eSl2EOM&list=PL6-w_BSzj_sSS63P2JdbLttwFfd_PIY3w
Conventional Locomotive :
https://www.youtube.com/watch?v=JgTs3-qDNF4&list=PL6-w_BSzj_sTAB9oVmDxIsQzqamBLWOJp
For railway departmental exam related videos refer to the following playlist :-
https://youtube.com/playlist?list=PL6-w_BSzj_sToim8QROqQH0Ph1bin0gNg
Diesel Locomotive :- https://youtube.com/playlist?list=PL6-w_BSzj_sRxZSvDOtqPbgS8o-oTuIt2
WAG12 Electric Locomotive :-
https://youtube.com/playlist?list=PL6-w_BSzj_sS3lWxZk7kQo2h6gk1KVMvY&si=5BjoW5XyxjHLNEdL