That's what Tank Ex was T-72 with Arjun Turret Kanchan armour etc. Pity we didn't went for it.
1000 Arjun in 55 Ton category and 1000 of these in 45 -50 Ton category with upgrade of rest T-72s , no need of T-90 , a stable supply chain . Infact we should have gone for same engine as Arjun...