Panchkula, July 27 -- Nearly two months after the firing at Panchkula nightclub owner Rattan Lubana, alleged to have been orchestrated by the Rohit Godara-Goldy Dhillon gang, three businessmen have recently received threat calls demanding money, prompting Panchkula police to enhance their security, officials said.

Among the affected businessmen are a nightclub operator, a liquor contractor and a commission agent. A senior police officer said a partner in Swiss Lounge received a threatening call last week. The caller allegedly warned him to "fall in line" or face the same fate as his partner Rattan Lubana, who was critically injured in the June 4 firing incident. Officials, wishing not to be named, said the caller allegedly demanded an ex...