I've flown in and out of Japan and the Philippines different times and never had my carry on ekcehcd for weight. Japan used to have you open the bag so they could inspect it for prohibited items, but they have slacked off on the lately.
Pune to Chennai return. Flown for the first time with them and found them okay. Planes were new and clean. Both flights were on time. FAs well groomed and do a good job. Food served was not free and was more of a snack. For the fare they charge you, its a very good airline to fly with in India.