SHILLONG: It is during these months that water becomes scarce in this hilly state albeit being endowed with high rainfall (approximately mean annual rainfall of 11,100 mm) annually.

Considering the fact that rainwater is a viable mean to augment the water supply for domestic needs, roof top rainwater harvesting was taken in North Eastern Region (NER) under Central Sector Scheme during the 9th Plan in Meghalaya, as well as other NE states under Fresh Water Year 2003.