Thermax Ltd, an energy and environment solutions provider, is aiming for an over Rs 1000 crore order book in its water and wastewater solutions business this fiscal. The company announced the opening of its first manufacturing facility for water and wastewater treatment solutions in Pune, with its share price jumping 3.86%. Thermax's water and waste solutions business has grown three times in the last four years and is expected to reach 20-30% annual growth.