hi vijaya,
i saw ur tour details.as ur kids said plz dont carry much laguage.less laguage more comfort.the following i suggest u to tak along with u.
1-do take warm cloths---very windy weather here in europe
2-take some elephant chapatis and ready to eat rice items(instant biryani,fried rice..etc)as u get oven in ur hotel u can make adv out of it.
3-u wil find yougurt everywhere.try them
4-eat panini(its an italian veg snacks)if u hav to eat in a cafe.(apart from veg sandwitch)
5-try to dump ur carry bag with fruits.
6-just tak one pickle that suits both chapati and rice.
7-u can also try some donut and cakes(they do hav egg).
8-u get an option of pasta(veg) in italy its gut t taste.
9-u can also try for pitta bread along with jacket potato and baked beans
i suggest u to concetrate on seeing much ,food next
but if u r andhralite.....

god help us(coz we lov food very much)
abt toranto-buy some blankets..they r gud there.try some antiques also.