Rapid Growth, a better army then yhe UK. It has Long-standing problems, And Run-ins with China, But Not bad! China can Be Comprimised and appeased with via the BRICS akliance.
To much competition (China, Russia, Pakistan etc)
It has potential. But as the current state of the country stands, India is still a long way from superpower status. Also China and Russia are ahead of them to claim the title themselves.