Usha MEGA Helix High Speed 3 Blade (400mm) Wall Fan Price starts at Rs. 2,929. The lowest price of Usha MEGA Helix High Speed 3 Blade (400mm) Wall Fan is at Flipkart. Usha MEGA Helix High Speed 3 Blade (400mm) Wall Fan is not available in other online stores. Usha MEGA Helix High Speed 3 Blade (400mm) Wall Fan is available in Blue colours across various online stores in India.