Alleging that the Narendra Modi government is not following the spirit of federalism, West Bengal Chief Minister Mamata Banerjee on Wednesday wondered why the Centre kept to itself the right of distribution of 25 per cent Covid-19 vaccines to private hospitals and not to the states.

The prime minister had on Monday announced that the Centre has decided to buy 75 per cent of jabs from vaccine makers for free supply to states, while private sector hospitals will continue to procure the remaining 25 per cent.