NOIDA, Aug. 7 -- The Gautam Budh Nagar health department has served notices to 31 establishments, mostly individual residences, upon detecting mosquito larvae on their respective premises within a period of a month, said officials on Wednesday, adding that the department is now gearing up to intensify inspections across the district and impose heavy penalties wherever vector breeding is found.

"If the owners served notice are found not complying to the guidelines issued and mosquito larvae is detected again, a penalty shall be imposed on them," said Dr Shruti Verma, district malaria officer (DMO).

Officials said individual establishments usually abide by the guidelines post the first warning while high-rise residential complexes, big es...