Re: thanda khana
As far as biochemistry and organic chemistry are concerned there are no hot or cold foods except the one kept in regriferator or one boiling hot in a pot!
However in greek medicine, foods that inceases metabolisim are called "garam food" and the one which decreses metabolisim are called thandi taseer food!
Well
these are hot taseer food
Ginger
Strawberrry
Dates
Apple
Singhara
These are cold taseer
green corriander
coconut water