katara is near doha exibition centre...i went there yest night and its a good place..there was a laser show(below avg) and fireworks...the fireworks was also not up to the mark..but its a timepass.. it was at 8 pm yest and theyhave it today as well...reach by 7 pm as it mi8 take time to park your car.. there is a gr8 indian restaurant, saffron.  enjoy your eve.