Saudi Arabian billionaire and world's biggest arms dealer, Adnan Khashoggi, is again trying to establish his network in India, according to Defence officials and doucmentary evidence available with The Pioneer. Khashoggi, whose dealings in India were cut short by the fall of the Narasimha Rao Government in 1996, has become active as Indian armed forces are undergoing one of the most extensive -- and expensive -- weapons upgrade.