IT'S a case of missives flying left, right and centre. Just when everyone thought the Tatas had all but given up on their pet aviation project, up they come up with a fresh proposal—only to be told off again. Since December 1977 when the Tatas submitted their proposal, which they say meets the requirements laid down by the government on direct and indirect foreign equity participation, they have been at the receiving end of endless queries from the ministry of civil aviation.