thane to CST dc - ac conversion work will takes another 6 months to complete in august 2015. then CR officials will say we will not go for conversion in rainy season so it will takes another 4 - 5 months for winter seaon. after than CRS will take 6 months for inspection the route & another 6 months for giving approval for conversion. mean after 2016 CR is plan to ACfication of thane to CST route.