[Oztrich Boy]

If this is the first indigeniously produced tank, Why isn't it a T-1?
It is a Russian designed variant of the T-72, with a less powerful engine than the T-80.

And it's not "India's first indigenously manufactured main battle tank,".

This is what it's replacing

"In 1961 an agreement was signed with India and a factory was setup in Avadi, near Madaras in India to produce the Mark 1 Vickers MBT as the Vijayanta ["victory tank"]. This resulted in the first one rolling of the line in 1969. "

[PAR35]

"In 1961 an agreement was signed with India and a factory was setup in Avadi, near Madaras in India to produce the Mark 1 Vickers MBT as the Vijayanta ["victory tank"]. This resulted in the first one rolling of the line in 1969. "

Just 8 years to assemble a proven design.