According to NDMC officials, four major hospitals including the premier All India Institute of Medical Sciences (AIIMS) have been challaned after mosquito breeding sites were detected in their premises during inspections.
This year itself, AIIMS has been issued 22 notices and has been challaned twice, once in early July.
Safdarjung hospital was served 18 notices by the civic body and challaned once, while Lady Hardinge Medical College was issued 11 notices and challaned once for failing to take preventive measures to check breeding of mosquitoes.
"During the inspections conducted by sanitary inspectors in these hospitals, various sites conducive for breeding of mosquitoes were found.
"If larvae are found during the first inspection, we issue them a notice asking them to take preventive measures, but if consequently the conditions prevail we challan them," said Medical Officer of Health (NDMC) Dr P K Sharma.
NDMC till July 20 this year has launched around 70 prosecutions against various institutes and buildings which includes hospitals, schools and other government organisations and 2329 notices have been issued.