Time table is just to fool public.Honestly they can increase its time by 1:30 hours but they would not do so because people will not travel then.But once people are lured then it atleast takes 18 hours.If you write RTI about asking whether it reached either howrah or anand vihar/new delhi in last 2 years they will not reply as it hasn't reached even once.Slowly people are realising that they are being fooled and increasing number of empty seats show this.