2. Tree climber

D. Renganathan developed a mechanical tree climber which can be used for scaling palm and coconut trees. Climbing trees for harvest is difficult and dangerous work–the tree climber designed by Renganathan uses a 'four-lock pin' system to prevent falls.

The device now sells across south Asia and it costs around 7,000.

3. Venus portable washing machine

With a goal of placing a ‘washing machine in every household’ and with a vision of ‘When technology meets common man, World prospers’, a Mumbai based startup is aiming to offer fully functional, portable washing machines for only 1500.

This unique one-of-its-kind device to wash clothes has been named as Venus–The Mini Portable Washing Machine. The startups has already shared their plans with crowd-sourcing platform IndieGoGo, and have pitched to raise $50,000 (Rs 30, 00,000) before December 12, 2014, which will enable them to mass-produce this exciting device, and fulfill their mission and vision. At the time of writing, $1250 out of $50,000 has already been raised.

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