Sealdah Raj aur Duru dono hi 45 mins tak aram se speedup ho sakte hain complete SDAH-NDLS sector pe. Dhanbad 10-15 mins BT daily basis pe rehti hai train aur Gaya me 25-30 mins BT rehti hai. Aaj mauka mila to track kar sakte hain aap. ECR section me speedup required hai saare Rajdhanis ka.