Ki Kore Kolkata suburban feasible noi setao bujhte parchhina
R sotti Jodi lack of profit er jonno suburban service bondho korte hoi thole to sobar aage Hyderabad MMTS bondho hobe, Kolkata suburban er comparison e otar patronage onek kom
But sei bar bar ghure phire sob kichhu Kolkata r WB oporei chapiye dewa hochhe :(