Indo Gulf Fertilisers reported a 22.72% decline in net profit at Rs 17.85 crore for the quarter ended December 31, 2004 compared to Rs 23.10 crore in the year-ago period.Total income has gone up 13.43% at Rs 178.39 crore for the third quarter ended December 31, 2004 against Rs 157.26 crore for the same quarter last fiscal, the company informed the BSE.