Cold-launch technology ejects K-4 missiles from submarine tubes using pressurised gas instead of rocket engines, protecting the submarine and maintaining stealth whilst ensuring safe, reliable ballistic missile deployment from underwater platforms.

What is 'cold-launch' technology and how did India use it for the K-4 missile test in the Bay of Bengal?

Undersea powerplay: India successfully test-fires K-4 missile from nuclear submarine INS Arighaat

The first two Arihant-class submarines carry a limited number of missile tubes. Future units (S4, S4* and the S5 class) are expected to be larger with more vertical launch tubes.

Why India needs K-5 nuclear missile for its Arihant-Class submarines?

It is associated with cloud formation, increased humidity and rainfall. It causes moderate rain, cloudy skies. If multiple factors are favourable, a low-pressure area could gradually intensify in a phased manner into a depression and later into a cyclonic storm.

Weather system in Bay of Bengal to intensify from Nov 22, IMD warns

An earthquake of magnitude 6.5 hit the Nicobar Islands region, and a 6.3 magnitude earthquake struck the Bay of Bengal in the early hours of Tuesday. Surprisingly, there were no immediate reports of damage or casualties.

Earthquake of magnitude 6.5 rocks Nicobar, 6.3 jolts Bay of Bengal; Could it trigger tsunami?

India News: While there is a forecast for rain, broadly it is said that the humid air and high temperatures would lead to uncomfortable weather over parts of Tamil Nadu.

Amid summer, weather system brews in Bay of Bengal

Due to the impact of the weather system, a warning has been issued advising fishermen against venturing along the Tamil Nadu coast, and parts of South Andhra Pradesh coast where winds could be gusting at speeds up to 55kmph. The warning for fishermen is applicable until Saturday, 22nd December. 



'Well marked low-pressure area' in Bay of Bengal; Rainfall warning for Tamil Nadu 

Weather system brewing in Bay of Bengal, to head for Tamil Nadu, Sri Lanka coasts

India: Depression in Bay of Bengal to impact Chennai

India is gearing up to host the 28th edition of the prestigious Malabar Naval exercise. It is an important Indo Pacific military exercise that seeks to deepen interoperability among the participating Regional Partners. This exercise is scheduled for the second week of this month. Watch to know more.

Malabar Naval Exercise 2024: Important Indo-Pacific Military Exercise

Sheikh Hasina blames US for ouster as PM, cites her refusal to surrender St. Martin Island as cause

A Chinese spy ship has entered the Bay of Bengal after India Issued a NOTAM, Notice to Airmen, restricting airspace over the Bay of Bengal from July 17th to 26th. Another Chinese spy ship is headed to Male, Maldives for the third time this year. What are these spy ships up to?

Gravitas: China sends spy ships to snoop on India

India and Bangladesh strengthen maritime ties with Navy chief Tripathi's visit

Cyclone Remal expected to make landfall in West Bengal, IMD issues orange alert

India: Cyclone brewing in Bay of Bengal could bring very heavy rainfall in Chennai

Russia holds naval drills with India in Bay of Bengal

India and Russia recently concluded joint Naval exercises in the Bay of Bengal the Russian defence Ministry says the drills were aimed at strengthening Naval cooperation between Moscow and New Delhi. Moscow highlighted the need for the drills to jointly counter global threats and ensure the safety of civilian shipping in the Asia-Pacific region.

Russia-India naval drills in Bay of Bengal aiming to strenghten Naval coorporation | WION

Deep depression brewing in Bay of Bengal, to head towards Odisha, West Bengal coasts

Depression brewing in Bay of Bengal, could move along Tamil Nadu, Andhra, Odisha coasts: Weather officials

India: NASA's satellite images show smog not only in Delhi but from Punjab to Bay of Bengal

Cyclone Hamoon intensifies into severe cyclonic storm over NW Bay of Bengal; wind speeds of 18km/hour

At least 17 dead as boat carrying Rohingyas sinks in Bay of Bengal

Chinese military activity has been detected in the Indian Ocean, according to a report it is now being said that a Chinese Intelligence Facility in Myanmar's Great Coco Island that is just about 55 kilometres from India's Andaman & Nicobar islands has sprung up.

Chinese military facility found near India, says report; Beijing denies construction claims | WION

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What is 'cold-launch' technology and how did India use it for the K-4 missile test in the Bay of Bengal?

India successfully test-fires K-4 missile from nuclear submarine INS Arighaat

Why India needs K-5 nuclear missile for its Arihant-Class submarines?

Weather system in Bay of Bengal to intensify from Nov 22, IMD warns

6.5 quake rocks Nicobar, 6.3 hits Bay of Bengal; Could it trigger tsunami?

Amid summer, weather system brews in Bay of Bengal

'Well marked low-pressure area' in Bay of Bengal; Rainfall warning for Tamil Nadu

'Well marked low-pressure area' in Bay of Bengal; Rainfall warning for Tamil Nadu

Weather system brewing in Bay of Bengal, to head for Tamil Nadu, Sri Lanka coasts

India: Depression in Bay of Bengal to impact Chennai

Malabar Naval Exercise 2024: Important Indo-Pacific Military Exercise

Sheikh Hasina blames US for ouster as PM, cites her refusal to surrender St. Martin Island as cause

Gravitas: China sends spy ships to snoop on India

India and Bangladesh strengthen maritime ties with Navy chief Tripathi's visit

Cyclone Remal expected to make landfall in West Bengal, IMD issues orange alert

India: Cyclone brewing in Bay of Bengal could bring very heavy rainfall in Chennai

Russia holds naval drills with India in Bay of Bengal

Russia-India naval drills in Bay of Bengal aiming to strenghten Naval coorporation | WION

Deep depression brewing in Bay of Bengal, to head towards Odisha, West Bengal coasts

Depression brewing in Bay of Bengal, could move along Tamil Nadu, Andhra, Odisha coasts: Weather officials

India: NASA's satellite images show smog not only in Delhi but from Punjab to Bay of Bengal

Cyclone Hamoon intensifies into severe cyclonic storm over NW Bay of Bengal; wind speeds of 18km/hour

At least 17 dead as boat carrying Rohingyas sinks in Bay of Bengal

Chinese military facility found near India, says report; Beijing denies construction claims | WION