During the Indian army day parade, which was held on January 15, 2021, the Indian army has presented a new upgrade of the Soviet-made ZSU-23-4 Shilka mobile air defense system based on tracked armored chassis. According to the military balance 2020, the Indian army has a total of 75 ZSU-23-4 air defense vehicles. Read more full article at this link ...
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| New upgraded of ZSU-23-4 Shilka 23mm self-propelled anti-aircraft gun system mounted on tracked armored. (Picture source Video footage Doordarshan National) | 
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