Indian air-cponditioner maker carrier aircon yesterday said its net profit in the first quarter of the company's financial year 1999-200, was at Rs 8.02 crore, down 16.8 per cent from Rs 9.64 crore a year ago. Net sale were at Rs 126 crore,down 1.56 per cent from Rs 128 crore a year ago. ables Q1 net profit vaults 246%