Thanks for the suggestions, i made the TT in such a way that it acts as an up down train between G,BTC and JBP and a shatabdi type from Nagpur.
Again as soon as MML comes as an intermediate station, i would add it.
If SECR has separate BG base coach Depo in JBP then it would belong to SECR, otherwise WCR(doesn't matter at this point, what matters is this train should run :D )