A Russian report claims that India needs no less than 500 Su-57 fifth generation stealth fighters to deal with Pakistan and China. But why such a huge number? Could India realistically purchase and operate 500 Su-57 aircraft? Watch our analysis of India's air power challenges, the Russian Su-57 fighter jet and the shifting military balance in South Asia.

A Russian report claims that India needs no less than 500 Su-57 fifth generation stealth fighters to deal with Pakistan and China. But why such a huge number? Could India realistically purchase and operate 500 Su-57 aircraft? Watch our analysis of India's air power challenges, the Russian Su-57 fighter jet and the shifting military balance in South Asia.