There are 10 WAP-7's for RPM. Out of which 9 of them are on duty and 1 is under testing. The numbers are 30319,30320, 30331,30332,30333, 30341,30342,30349,30350,30354. Another 3 P7's have been alloted to RPM vide road numbers 30357,30358 & 30359 and are expected soon to arrive. As far as the allotment of the locos are concerned at MAS they mix both RPM and LGD WAP7's to trains.
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The following trains received WAP7 ( both RPM and LGD)
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Brindavan Express ( Only 12639)
12027/28 - Chennai Bangalore Shatabdi.
12607/08 Lalbagh Express
22625/22626 Bangalore Double Decker
12623/24 Trivandrum Mail
12695/96 Trivandrum Express
Bangalore - Chennai Mail ( Only 12658)
16221/16222 - Kaveri Express ( Not all Days)
12610 only - Bangalore - Chennai ICE ( Not all days)
12695 - Sangamitra Express ( Not all days)
16041/42 - Alleppey express
12680 - Kovai - Chennai Intercity
12269/70 - Chennai - Nizamuddin Duronto Express.
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occassionally spotted with Nilagiri express also.