Sembcorp Energy India Ltd (SEIL), has posted a net profit of SGD 28.9 million (~$21.02 million) in the July-September quarter.  In comparison, the company suffered a loss of SGD 2.7 million (~$1.96 million) in the same quarter last year. SEIL is part of Singapore-based Sembcorp Industries, an energy, water and marine group operating worldwide.