Thanx for idea bro, before replying u i complained about it to drm danapur... The train u r demanding sleeper in is not this train,that is a ECR train Kosi Express,and unfortunate of this train that headquarter hajipur decided to use the rake of SER rake just for its comfo shake, this train is even not liable to go to purnia court,its a day train,..and kosi too,forcely made a night train,bcz of ecr lazyness in giving rake.Purnia Patna kosi express,me sleeper ki demand kriye,but jab tak hajipur ecr danapur ser ka rake use karega tab tak ye sleeper ki demand pura nhi ho sakta.ecr apna rake kosi ko de,aur alag se to sayed ek night train sleeper wali chalti hee hai.