Yes definitely GM Inspection Carriage is running,you can see 15763 also overtaken @ BOE.It lost 31 mts there.Now it'll reach NJP not before than 18:00,so 15767 will be delayed by minimum 1 Hr 25 mts.Trully Disgusting from KIR division.They dont know to maintain punctuality.That GM inspection carriage could'e been attached along with VP of some other train.