Palanisamy, T.Dineshkumar, G.2022-07-212022-07-212021-03-15https://idr.nitk.ac.in/handle/123456789/17144Date of Filing: 29/11/2012 Date of Grant: 15/03/2021enBASALTCRETEBUILDING BLOCKSBASALTCRETE BUILDING BLOCKSOther