40 PC tubewells arsenic polluted in Rajbari
Forty per cent tubewells of Rajbari Sadar upazila (Bangladesh) are arsenic contaminated according to a source of the upzaila Public Engineering Department. The connected department surveyed 2250
Forty per cent tubewells of Rajbari Sadar upazila (Bangladesh) are arsenic contaminated according to a source of the upzaila Public Engineering Department. The connected department surveyed 2250