Developed by CSIR-Central Mechanical Engineering Research Institute (CMERI) in West Bengal, under the leadership of scientist Sibnath Maity, it resembles a tree with branches at different tiers and could be used on rooftops and highways.

AIt helps harness maximum solar energy in minimum space.

"It uses four square feet of land to produce 5KW of power. We are now improving the design and incorporating a motor which would be aligned with a timer so that the tree can move from east to west depending on the sunlight. This way it can absorb maximum solar energy," Maity told IANS.

The tree was recently launched by Union Minister of Science and Technology Harsh Vardhan.

"The branches hold up the 30 photovoltaic panels and the system costs around Rs 5 lakh with battery back-up. Because the solar panels are higher up, it can get one hour more sunlight," Maity said.

The technology has been licensed to a Kolkata-based company and more companies as well as individuals have requested for installations, he said.

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