80J. In our view, since the\nexpression of wider import, namely, 'attributable to', has been used,\nthe Legislature intended to cover receipts from sources other than the\nactual conduct of the business of generation and distribution of\nelectricity.\"\n6. The word \"derived\" has been construed as far back in 1948 by the\nPrivy Council in CIT v. Raja Bahadur Kamakhaya