Clean Drinking Water is main issue and problem at local level in developing countries, AHD Pakistan helping poor people with Nadi filter technol...

Clean Drinking Water is main issue and problem at local level in developing countries, AHD Pakistan helping poor people with Nadi filter technol...Clean Drinking Water is main issue and problem at local level in developing countries, AHD Pakistan helping poor people with Nadi filter technology to promote safe drinking water on LIFETIME and Sustainable solution for rural population, let us join hands to eradicate contamination in drinking water forever .....