Bangkok, June 8 (IANS) A.R. Rahman was named the best music director for his score in "Guru" at the International Indian Film Academy (IIFA) 2008 awards here Sunday night, while the Shah Rukh Khan starrer Om Shanti Om swept a number of technical awards.Shreya Ghoshal won the honours for the best playback singer (female) for "Barso re" from Mani Ratnam's "Guru", which film also bagged awards for the best background score (Rahman) and best song recording (H. Sridhar).

The best playback singer (male) award was bagged by Shaan for "Jab se tere Naina" from Saawariya.

Veteran Javed Akhtar was named the best lyricist for Om Shanti Om, which also garnered awards for best special effects (Red Chillies Entertainment), best art direction (Sabu Cyril), best costume design (Manish Malhotra, Karan Johar and Sanjeev Mulchandani) and best makeup.

The award for best screenplay was won jointly by Anurag Basu ("Life in a Metro") and Jaideep Sahni ("Chak De! India").

"Chak De! India" also took home the trophy for best cinematography.

Imtiyaz Ali was named the best dialogue writer for Jab We Met.