Hi Lokesh, Please check out ...
Hi Lokesh,
Please check out SaferEx - Multiaction Water Purifier in the link below. It oxidizes ammonia and removes it from water, coagulates impurities, sediments them, disinfects and clarifies the water removing odour, taste and colour from the water in a single application and unit process. It has been confirmed to remove Nitrates and Fluoride from river water.
Read more about SaferEx: https://drive.google.com/file/d/0B5vq4wO9sNRoRjJTUU9JVjRjQVU/view?usp=sharing
Regards
Justin