Singapore-based Sembcorp is looking at acquisitions of solar and wind energy projects in Indiaas it chases a strategic goal to shift its portfolio from brown to green by quadrupling renewableenergy capacity. Sembcorp, which has invested about Singapore dollar 6.5 billion (about Rs 35,000 crore) in electricity-generating projects in India, is open to buying under-construction as well as completed solar and wind projects, its India head Vipul Tuli told .