How long has this been in the refrigerator?

[RedPepper]

I don't like refrigerating cooked foods for more than 48 hours. Some of my friends keep cooked foods in the refrigerator/freezer for over a week! But now, under some circumstances I cannot cook everyday. So I would like to cook big quantities when I get time, and refrigerate for later. I would like to know how long we can refrigerate: Idlies, Idli/dosa batter, coconut chutney, Noolputtu/idiyappam, Rice etc... Would be grateful if I get a list of all indian cooked foods that can be refrigerated, something like this
http://www.pastrywiz.com/storage/refridgerated.htm

Please share your experiences in refrigerating foods. What works best for you? Thanks a lot.