end if the government stands firm on its decision to withdraw a seven-year tax holiday for new projects.   Several projects on the drawing board could be threatened, said their supporters.  This includes Indian Oil Corp’s  (IOC) 15-million-tonne-per-year Paradip project, Hindustan Petroleum’s nine-million-tonne-per-year Govind Sagar refinery in Punjab, and Bharat Petroleum’s six-million-tonne-per-year Bina refinery. IOC…