Gurugram, June 11 -- Four Bangladeshi nationals were caught on Wednesday for robbery after they allegedly held family members of a retired army colonel hostage inside their house and took valuables worth at least Rs.15 lakh in Sector 23 on June 4, police said on Saturday. According to investigators, a team of the Palam Vihar crime branch led by sub-inspector Manoj traced their location in Bajghera. Police said that the team chased the suspects, who panicked and jumped into the Dwarka Expressway underpass. All four ended up with multiple fractures due to their fall. Police identified the suspects as Mohammad Khairul Arman, 52, Mohammad Maman, 35, Mohammad Hilal, 25 and Mamo Khan, 26. Naveen Sharma, assistant commissioner of police (crime), said that all four are presently undergoing treatment at the Civil Hospital in Sector 10A and will be formally arrested after getting discharged....