Hey Shaikh,
There is good job scope for Sanitary Inspector in the government departments at the state and the center level. Government departments include departments like Municipal Corporations, Nagar Palikas, Railways, Hospitals, Cantonment Area, Government Institutes, Oil Refineries, Factories etc. In the private organizations they work with Hospitals, Hotel, Metal Industry, Chemical Industry, Textile Industry, Food Industry, Travel and Entertainment Industry, Electrical Industry etc. You can have good job opportunities in any of these.
Wish you all the best! :)