Watch: 'India's nuclear deterrent lacks credibility'

Vishal Thapar, CNN-IBN | Aug 28, 2009 at 12:55am

India's nuclear tests in Pokhran were successful, says then scientific advisor and former president APJ Adbul Kalam. He was refuting an allegation by atomic weapon scientist Dr K Santhanam that the hydrogen test failed. He said India needs to carry out more tests or our nuclear deterrent lacks credibility.