Indian Space Research Organisation (ISRO) has come under criticism from promoters of an Israeli astronomical satellite for allegedly delaying its launch and shifting the blame on schedule slippages. Tauvex comprises three ultra-violet band telescopes developed by Tel Aviv University and Israel space agency (ELOP), with Bangalore-based Indian Institute of Astrophysics providing the software and science and mission planning. Its flight date on board an Indian launcher was first supposed to be in late 2005 and has continually slipped.