Those days are over when Railways did development works by seeing elections.
Trains dena to aaj bhi chalta hai lekin extension mein. Example
1.Bangalore- Kamakhya Humsafar is extended till Agartala.
2. Agartala- New Delhi Rajdhani given.
But...
more...

they cannot do much to other North-East states even though they have their allies ruling the states be it Nagaland, Arunachal Pradesh, Sikkim because of absence of large railway network. But yes the people of Meghalaya, Tripura, Manipur, Assam will surely be happy because they have broad gauge network of railways in their state which was not there before Suresh Prabhu came.
When the Jiribam-Tupul-Imphal rail network completes then surely new Rajdhani Express will start.
Coming to the point.
Look at the Railways Project jo doubling, electrification,new line and gauge conversion ke chal rahe hai all over the country jahan par BJP ki sarkaar bhi nahi hai, woh baat alag hai ab desh ke 70% states mein BJP/ NDA hai but some projects which were long pending from years are now being started
or paisa zaldi release ho raha ha taaki kaam jaldi ho. Kuch Kaam 2020 ke baad bhi completion ke hai kya yeh soch kar saare kaam rok de or 2019 ki tayyari kar le General Elections ki.
Ab Karnataka mein elections hai us state mein to electrification sabse poor hai sirf bahut kam lines electrified hai ab sabke tenders ek saath nikalenge 600-700 kms ke to 2021-22 tak to honge. Kya yeh soch kar baaki states ke kaam rok de aur ispar dhyan de.
Aisa nahi hota hai abhi saare states mein sabko kaam bata hai aur jitne kms hai us hisaab se hi kaam pura hoga.
1.Punjab, Haryana, UP, Assam, Bihar, Jharkhand,Odisha,Chhatisgarh mein bhi kaam chal rahe hai
2.Gujarat,Rajasthan,MP, Maharashtra, Karnataka,Tamil Nadu,Andhra, Kerala mein works are on.
3.North East states ko railway se connect karne ke liye tunnels,new lines ka kaam chal raha hai.
Railways kisi state ki nahi hoti ya kisi sarkaar ki nahi hoti jahan itne saal log Diesel route par jaate rahe hai agar electrification bhi ho jaye to unhone vote usko dena hai jisko woh saalo se dete aaye hai. The only thing changes by electrification is that railways can save on fuel, reduce Carbon release and increase the speed.