City company builds ‘longest’ periscope for Kalpakkam plant

Home Coimbatore: A10-metre long periscope manufactured by a city-based firm…

Desi stealth vessel ready for sea trial in March

Home Thiruvananthapuram: After hitting the sky with unmanned aerial vehi…

Periscope for fast breeder reactor commissioned

Home Special Correspondent COIMBATORE: A 10-meter long periscope manufactured by…