India has recorded 48 tiger deaths since January, nearly as many as during all of last year, an official said Tuesday. \"The largest numbers have been killed in the Corbett National Park in Uttarakhand state and in the Tadoba tiger reserve in Maharashtra,\" said S.P.Yadav, Deputy Inspector General of the National Tiger Conservation Authority. DPA quoted Yadav as saying it was not clear how many of these tigers were killed by poachers but it could be more than 50 per cent.