नहीं कोई गम, रेलवे से हैं हम - Aman

Moreover, platforms have increased and not pit-lines. Shifting a train which has primary maintenance in Delhi requires shifting the base of maintenance which is a long drawn out process. The ones having secondary in Delhi are more likely to be shifted.
I think some of the prime contenders are:
1) Sikkim Mahananda
2) DLI CPR Weekly
3)...
more...

Uttarakhand Sampark Kranti
4) WB Sampark Kranti
5) Upper India
6) NDLS NJP
*Satyagrah looks tough because of patronage from DSA.
*In the ones maintained at DLI, DLI-FD, Padmawat look likely as they were planned to be shifted almost 5 years ago but couldn't be. *Another train that was planned to be shifted was NDLS-MLDT but now it can't be because of RSA.
*Another one that I think badly deserves to be shifted is Poorabiya.