Sun Pharmaceutical Industries on Friday reported a 36% year-on-year (YoY) decline in consolidated net profit to Rs 1,989 crore for the September quarter, compared with Rs 3,118 crore in the corresponding period last year, as exceptional charges related to US litigation and its proposed Organon acquisition weighed on earnings.Revenue from operations increased 12% to Rs 16,199 crore from Rs 14,478 crore a year earlier, supported by strong growth in its domestic formulations business and emerging markets.Excluding exceptional items, adjusted net profit rose 1% YoY to Rs 3,162 crore from Rs 3,118 crore.