Maanvi Singh haling from Jaunpur, invents a device which she calls Solar Dryer. This device prevents grains from rotting and in turn getting wasted. Watch the full video to know more. Zee News is the highly popular Hindi News channel of India’s largest television network ZMCL. The channel, which has a huge following in India and abroad, has won several prestigious national and international awards. Amongst its popular programs are - Dr.