In which city of India can one never have the sunshine directly overhead at noon ?

Question

What is the name for the circle that describes the most northerly point at which the sun appears directly overhead at noon?

Answer 1

Mumbai and chennai are south of the tropic of cancer, while delihi is north of it. Due to the tilt of axis of rotation of the earth, parts of the earth north of the tropic of cancer will never have the noon sun exactly overhead. Parts to its  south will have the noonday sun exactly overhead twice a year, between the time of vernal equinox in march and autumnal equinox in September.