Q51 wedge in energies condition in electric locomotive. क्या प्रभाव पड़ेगा?
3:17
why provided BLRDJ in electric conventional locomotive. not provide in 3 phase locomotive.
9:15
Q 50 relay in electric locomotive. All details about Q50 #Q50relay
9:57
QLM relay in electric locomotive. #QLM
5:50
HOW To wedge Relay in conventional locomotive.. different types of Relay wedge
4:25
ट्रेन को चलाने के लिए Single Phase का Use क्यो किया जाता है?
9:17
Difference between RGCP, RGAF, RGEB in electric locomotive.
9:59
Electric Trian के पीछे की आकर्षक इंजीनियरिंग!
31:09