बेयाव बियो मुलुगनि गासै गाहाय सोहोरफोरनि गरखायफोरजों बोहैलांनाय मुवाफोरनि बेसेनखौ बरनायथिदों ।
In this book he has described the value of elements that are washed in drains of all the major cities of the world.