New Delhi: Thursday, November 25, is a very important day for the Indian Navy. This is because today a new submarine is ready to be added to the fleet and its name is INS Vela. INS Vela is said to be India's deadliest submarine and has been named silent killer. This is the fourth submarine of Kalavari class and it is an indigenous submarine. In fact, the Government of India had signed an agreement with French company M/s Naval Group in 2005 under transfer of technology and the deal was worth about Rs 3.5 trillion. It is under this agreement that INS Vela has been developed under the 'Make in India' campaign. INS Vela is 221 feet long, 40 feet high and weighs 1565 tonnes. It has a magnetised propulsion motor, whose sound does not go out of the submarine. Because of this, INS Vela is being called the silent killer. Because of this, INS Vela is being called a silent killer. Radars are not able to catch them due to stealth technology. INS Vela has two 1250 KW diesel engines and has 360 battery cells. It is said that due to these batteries, these submarines can cover a distance of 6500 nautical miles or about 12,000 km, and the journey can be 45-50 days. Which weapons are the new submarines equipped with? - There are 6 torpedo tubes with torpedo fire. -18 Torpedo can take at once. - Anti-ship missile is equipped with SM39. - Mines can also be laid in the sea from submarines. -22 knots is its speed. - Submarine is made of special steel. - So that it can go up to a depth of 350 metres in the sea. Akshay Kumar makes big mistake in sharing trailer of 'Atrangi Ray' CM Channi writes letter to PM Mod Jewar airport to provide employment to 1 lakh people