Vedanta Group company Hindustan Zinc Ltd (HZL) on Friday reported an 11.78 per cent fall in its consolidated net profit at Rs 2,583 crore for the fourth quarter of 2022-23 on account of higher expenses. The company clocked Rs 2,928 crore net profit in the January-March period of the preceding 2021-22 fiscal, HZL said in a regulatory filing. Its total income also declined to Rs 8,863 crore from Rs 9,074 crore in the year-ago period.