THE INDIAN NAVY AT WAR: 1971

Blockade from the seas

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SAPRA INDIA, Indranil Banerjee


A Sea Hawk is seen taking off from INS Vikrant, circa 1971. Image  K Media Pvt Ltd.The 1971 war was the first, and only, occasion when the Indian political leadership exhibited a proper understanding of the use of military power for achieving a clear national aim. In past conflicts, Indian leaders either had no clear aim in mind and were merely reacting to events or they were confused about how best to use the military power available to them. During the 1962 India-China war, for instance, the Indian government ordered the Indian Air Force (IAF) to withdraw its fighter bomber squadrons from the north east and not to hit the invading Chinese.

IAF bombers could have changed the course of the 1962 war had it been allowed to hit the thin and tenuous Chinese logistics lines. Similarly, in the 1965 India-Pakistan conflict, the Navy was ordered to keep its ships in port and not engage in any offensive action against Pakistan. The Pakistani Navy was given a free hand and it managed to lob a few shells at one point in the Western Coast.

The Indian Navy's chance to see some action came only in 1971 December. Since East and West Pakistan were two separate geographical entities more than 1,600 miles apart, the only way Pakistani forces in East Pakistan could be sustained was through the sea. The Indian Prime Minister, Mrs. Indira Gandhi, decided that the Navy would be given the strategic task of denying both East and West Pakistan access to war supplies. The aim in short was a complete naval blockade of both parts of Pakistan. The bigger aim was of course to ensure that the conflict was not perpetuated beyond the time required to capture a chunk of East Pakistani territory.

The Indian Navy's best and biggest warship at that time was its sole aircraft carrier, INS Vikrant, a carefully preserved World War II vintage carrier built in Britain. Ideally, a task force centered around INS Vikrant should have been used to block Karachi, which at that time was West Pakistan's sole deep water port. However, one of INS Vikrant's main boilers was out of operation and the ship could not maintain the kind of speed required for manoeuvring in a situation where the air threat would be considerable. It was decided that the INS Vikrant would be used to blockade the ports in East Pakistan, and destroy the riverine craft used by the Pakistanis there.

INS Vikrant in Action

INS Vikrant in action, circa 1971. Image  K Media Pvt Ltd.The day war was declared, the INS Vikrant, which had been anchored off the northern-most tip of the Andaman & Nicobar chain of islands, moved towards the principal East Pakistani port, Chittagong. The Pakistanis, having learnt that INS Vikrant was positioned in the Bay of Bengal, dispatched one of their submarines, PNS Ghazi, to the east.

The Pakistani submarine thought it could sneak into Vizag harbour, the principal naval port in the Indian east coast. It was, however, detected and sunk before it could cause any damage. The INS Vikrant continued unhindered. Rear Admiral (retd.) P.D. Sharma, who was then an aviator aboard the INS Vikrant, recalls what it was like:

"Fighter pilots practice for years and when they finally get an opportunity to see real action, it is thrilling - it is the moment one has been waiting for all one's life. And it was so for us aboard the Vikrant on 4th December 1971...Rear Admiral (retd.) P.D. Sharma, naval aviator during the 1971 Indo-Pak War. Image  K Media Pvt Ltd."

"The first sortie was mounted against Cox's Bazaar. Eight Sea Hawks went in led by the squadron commander. I was in the second sortie which attacked Chittagong. This was in the afternoon of the 4th because it took some time for the Vikrant to close in the range to Chittagong."

"We went in low level, pulled up and carried out repeated attacks on the airfield. In the first attack itself we inflicted considerable damage. We withdrew for the night and sailed towards the Mangla-Khulna area. Our next attacks were on those harbours. Then we came back to Chittagong. And by the time we were through with that area, especially Chittagong harbour, Chittagong airfield and the approaches to Chittagong, the scene was something to be seen. The place had been devastated. There were ships that had turned turtle, there were half-sunk ships by the quay side, the airfield was pockmarked with craters and no ship could even think of approaching the place."

The attack on Karachi

East Pakistani port after air attack from Indian forces. Image  MoD, Govt. of IndiaThe most dramatic naval plan was drawn up by the Western Naval Command. It was decided that the main attack on Karachi harbour would be launched by tiny PT-15 missile boats instead of regular warships. There were several reasons for this decision. Regular ships without air cover would be vulnerable whereas the tiny missile boats would present difficult, fast-moving targets.

Moreover, the Navy wanted to try out the missiles to see how effective they could be in real action, although this kind of use of missile boats, which were designed for coastal defence and not for long range offensive action of any kind, was highly unorthodox. At any rate, three missile boats were chosen for the mission and dispatched in the dead of night from Bombay harbour.

Leading the missile boat squadron was Commodore (retd.) Babru Bahan Yadav:

"The task given to us was not easy. Our ships were little more than boats and did not have the range to go all the way to Karachi on their own steam. So an oilier was placed about half-way to the target and we were able to refuel and carry on.Commodore (retd.) Babru Bahan Yadav, Missile Boat Leader during the 1971 Indo-Pak War. Image  K Media Pvt Ltd. As we neared their coast, we found some of their ships patrolling the area. The boat on my left was detailed to engage the contact. That boat was the first Indian warship to fire a missile in anger. Two missiles were fired and both were direct hits. It is interesting to recall that the radar contact which was on our screen slowly diminished and then suddenly disappeared. We were very jubilant at that time. Later, we found that this has been a Pakistani destroyer."

Very soon another ship was located right in front of my boat. We fired a couple of missiles as well but did not sink it. The boat on our right was ordered to attack the ship. It did so and managed to cripple it completely. We thought we had sunk it but later the Pakistanis claimed that the ship had been badly crippled and put out of action but not sunk. Anyway, as we continued, both the other boats could not keep up and had to turn back. Only Nipat, the boat I was on, could proceed towards Karachi harbour. We pressed on and fired missiles on Karachi which hit the oil installations there. The attack took place just 1 minute before midnight and we could see the flames from the oil installations lighting up the sea. It looked like Diwali (the Indian festival of lights and firecrackers)." It took a few more days for Commodore Yadav's boat to return to harbour as they had to take evasive action and ran out of fuel. In the meanwhile, the Pakistanis who were hunting for the boat put out a message that an Indian vessel had been sunk. INS Nipat, the only boat not accounted for at that time, was presumed sunk. But INS Nipat returned, thanks to the ingenuity of its engineers who managed to take out pump oil and use it to run the engines.

The Indian Navy accomplished the task assigned to it within the first few days of the war. No enemy shipping could move in or out of its harbours. Merchant ships did not dare approach Karachi. Control of the seas around both wings of Pakistan was with the Indian Navy.


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