Sangam renewables Ltd. announced the completion of its entire stake sale (51%) in its subsidiary, WAACOX Energy Pvt Ltd (WEPL) to Aditya Birla Renewables Ltd (ABRel) for an amount of Rs. 41,60,35,305. ABRel earlier held 49% in WEPL, and now shall own 100% stake, the company said in its exchange filing. The company shall use…