DNA: Analysis of INS Kochi, Indian Navy guided missile Kolkata-class destroyer

DNA introduces you to INS Kochi, India's latest Kolkata-class destroyer ship which has been formally inducted in the Indian Navy today. Also watch: Owing to a DNA viewer, DNA tests and analyzes how muddy roads due to heavy rains have caused havoc in Tripura and affected its economy. Today in History: On this day in 1954, USS Nautilus, a US submarine, became the world's first nuclear reactor powered submarine.

Sep 30, 2015, 23:54 PM IST