Firstly, to be very clear, NO railway lines 'cater' to small villages. All railway lines connect cities and big towns. Small villages just happen to lie on their alignment.
Secondly, jo ban gaye unhe nahi ukhadna hai. It is sunk cost. Jo nahi banne chaiye unhe banne se roka ja sakta.
Thirdly, Fatehabad (FTD) is my home village my entire paternal family lives and works there. I am in good position to tell this line is not at all required.