Complex sentence: It operates as train number 12403 from Allahabad Junction to Jaipur Junction and as train number 12404 in the reverse direction.Previously is use to run till Mathura Junction but now is extended till Jaipur Junction.
Split into simpler sentences: It operates as train number 12403 from Allahabad Junction to Jaipur Junction and as train number 12404 in the reverse direction. Previously it used to run till Mathura Junction but now is extended till Jaipur Junction.