'At least 7 to 8 of those who tested positive today (Thursday) were from among a group of Bhartendu Natya Kendra students who just returned after attending a three-month training programme in Pune,' he said.

Even as the state government maintained that there was no cause to worry, state Health Minister Anant Kumar Misra asked the central government to enhance the supplies of Tamiflu tablets, the medicine for treatment of swine flu.

'What I have been trying to impress upon the centre is that even as we have sufficient stocks for the time being, the supply of Tamiflu is not commensurate with the population of the state,' he said.