"At this point of time the investigation is going on by the Punjab Police. When the conclusion comes and somebody is implicated or chargesheeted, we will definitely take action," said Singh.
"The guilty will be punished but that is the matter of Punjab Police. Investigation is being done by the Punjab Police," he added.
Super heavyweight pugilist Ram Singh have already been expelled from the National Institute of Sports after admitting to consuming contraband.
Their names cropped up after the unearthing of heroin worth Rs 130 crore from Fatehgarh Sahib at an NRI's flat. An SUV registered in the name of Vijender's wife was found outside the flat during the police raid.
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Vijender, a former world number one, gave India its first Olympic medal in boxing when he clinched a bronze in the 2008 Games. Besides, he is an Asian Games gold-medallist and a multiple-time Commonwealth Games medallist.
Considered the poster boy of Indian boxing, Vijender has stated that he is not involved in the scandal and does not know the alleged drug peddler caught by the police.