The incident occurred after the minister fell unconscious while attending a rally in Hardoi on Friday and was taken to the hospital where he was to undergo an MRI scan.
When Pachauri was taken to the MRI room, the security personnel accompanying him also entered the room carrying his service pistol, unaware that all metallic items have to kept outside.
"The machine is being repaired and cannot be used for the next 10 days ," RMLIMS director Dr Deepak Malviya told PTI.
An additional cost of Rs 50 lakh have be incurred to repair the machine and this is out of its annual maintenance contract, he said.
Pachauri is the minister of khadi, village industries, sericulture, textile, micro, small and medium enterprises, and export promotion.