If restaurants had their way, Himesh Reshammiya's 'tandoori' sizzlers may well turn out to be a standing item on their menu cards. Reason?Going by the popularity of the latest Himesh chartbuster 'Tandoori Nights' from Satish Kaushik directed 'Karzzzz', quite a few restaurant owners, especially in Mumbai, Delhi and Hyderabad, have started serving 'tandoori' and grilled food.Not just that, going by the trend of theme parties, 'tandoor' has well become a buzz word with youngsters hosting 'Tandoori Nights' special.Says a source close to Himesh Reshammiya who plays the triple role of actor, composer and singer in T-Series' home production 'Karzzzz', "This is simply unprecedented and something that none of us could see coming.We couldn't even imagine in our dreams that a song's popularity would impact parties in such a manner. We have been told that numerous restaurants, discotheques and clubs have started 'Tand