( 1 ) IN this writ petition filed by way of public interest litigation the petitioner has sought for the following relief: to issue a writ, direction or order especially in the nature of mandamus, prohibiting Bharat Biotech International Limited from manufacturing or marketing or administering Hepatitis-B vaccine using Pichia Pastoris as a vector.

( 2 ) WHEN the matter came up for admission, on 4. 10. 2001 a learned single Judge of this Court passed the following interim order: in the circumstances, 1 am of the considered opinion that public interest requires immediate analysis of the samples of vaccine manufactured by Bharat Biotech (3rd respondent in the writ petition) and for the aforesaid purpose, 1 am of the considered opinion that CCMB is the organisation which should be entrusted with this responsibility. In the circumstances, a Director of CCMB is directed to purchase three vials of Hepatitis-B vaccine known as Revac-B manufactured by Bharat Biotech from the open market as its cost and also receive three vials to be made available by the petitioner and three vials to be made available by Bharat Biotech and test and analyse the same and submit a comprehensive