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Front glacis of (80+105+20)mm becomes almost 600mm at 68° angle. DRDO's new ERA claims a reduction in penetration of more than 50% for HEAT type warhead and 30% for KE type. All modern ATGMs like Stugna-P or Kornet-E or Akeron claims a penetration of more than 1200mm RHA. So even after a reduction of 50% you get penetration of almost the same as armour thickness.

But here's something more interesting; glacis is the thickest armour on a tank designed to take hit. Every other armour on a tank is thinner than its glacis.
Wrong!! Those would be the turret cheeks!!
By the way, the front and back plates of Kanchan armor are made out of some form of maraging steel that supposedly provides 15% better resistance against kinetic energy rounds for the same thickness of RHAe. The inserts consist of alternating layers of HHA and high-density ceramic tiles. In short, this armor is of very similar construction to that of the Polish CAWA-2 armor package (if available literature is to be believed that is). So, in short, the 600mm LoS should provide a significantly higher level of protection in terms of RHAe equivalence against shaped charge jets.
 
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