Connection hai.Kisi city ki pobulation jayda hai to waha ke junction pe bhi passenger movement jayda hoga aut train me quota bhi jayda rahega us city se.SPJ ki population kam hai isi liye to waha se jayda demand nahi hai trains ki.unka kaam passing trains se hi chal jaata hai.Dbg Mfp is more population than Spj thats why there are a big demand of new trains.