Are the duty free shops in Tokyo are in fact expensive than duty free shops in SE asia;in mobiles and cameras?

Question:

I saw some websites of tokyo duty free shops and converted them to Indian ruppees; the cameras and GSM mobiles were hell lot expensive despite being in duty free shops.
Also suggest, do duty free shops in SE asia like Malaysia,singapore,bangkok offer better deals in cameras and GSM phones?

Answer:

Generally prices are lower in SE Asian nations than in Japan.