The notices were issued following surprise checks conducted by a health department team on the directions of Delhi Health Minister Satyendra Jain last night.
The labs have been asked as to why their licences should not be cancelled for cheating the people in distress by failing to comply with the specified norms.
The minister ordered surprise checks after media reports showed that some private labs continued to overcharge for the H1N1 (Swine Flu) tests despite a Delhi government directive having capped the maximum fees at Rs 4,500.
It has also been found that these two laboratories have not been accredited by the city government for conducting the H1N1 tests.
The government has appealed to the people of Delhi not to panic, saying effective measures are in place and the situation was under control.
"There is sufficient stock of medicines in government hospitals and approved chemist shops. People should try and get their tests done free of cost in government hospitals and there is no cause for panic," the Health Minister said.
