In 2001, India purchased 310 T-90S tanks from Russia, of which 124 were delivered complete (42 featured the early cast turrets seen on Russian tanks) and 186 were to be assembled from kits delivered in various stages of completion with an emphasis on shifting production to domestic means. The T-90 was selected because it is a direct development of the T-72 that India already manufactures with 60% parts commonality with T-90, simplifying training and maintenance. India opted to acquire the T-90 in response to numerous delays in the production of its own domestically developed Arjun main battle tank, and to counter Pakistani deployment of the Ukrainian-made T-80 tanks in 1995–97.