Thursday, Mar 28, 2024 | Last Update : 09:04 PM IST

solar lamps

Lighting up the mountainside

The idea was to teach them to create bottle art so that they can sell it at the local markets, says Ayan Biswas.

09 Oct 2017 12:44 AM

Hindu College students to promote solar lamps

LED bulbs serve for 8 hours after a 5-hour charge under bright sunlight.

21 Aug 2017 4:11 AM

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