He had also organized many charities and engaged himself in educational activities in under-prevailed rural communities.
he has published 40 books of academic and archaeological research of which the book on the "Sinhala-Buddhist Heritage in the Northern and Eastern Provinces" published in 2003 by Jayakody Publishers in Colombo is most well known[2] Medhananda was a parliamentarian elected by the Jathika hela Urumaya, a party which campaigned for the so-called rights of Buddhists.
As a consequence, many Marxist as well as minority Tamil writers have criticized him for his alleged right-wing political leanings and pro-majoritarian sentiments.
Since then he has devoted himself to charitable works, teaching and scholarly activities in rural regions of Sri Lanka
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