IRCTC check kijiye .. (abhi festive time hai abhi full milegi) next reservation dates se seats available milegi aapko isme..
DHN ke pas sari trains RLWL hain.. ECR ko jitna revenue DHN deta hai utna koi nahin deta lekin DHN ko ek dedicated train nahin hai Gaya ke pas MB hai hi let it (GR) start from DHN.. agar isme Gaya ko GNWL de diya jaye extension ke baad to kuch problem nahin dikh rahi isme to :)