Schoolboy builds laser drone that zaps landmines from the sky earns pound 600000 from Indian government

Harshwardhan Zala, from Gujarat, has signed an agreement worth 50million rupees (£600,000) for the contraption which can help in detect and defuse hidden bombs in fields 
 
The state government part-financed his final version which cost him around 500,000 rupees (£6,000 or $7,300 in the US) - and now wants to explore the possibility of its commercial production.

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