Question

if a person moves from Chennai to Trichy his weight increases. How ?

Answer 1

Example for instance in moon the weight changes Confirmly .  

In earth weight may differ between Lower and Higher places because of Gravity.  

Weight is a changing factor according your question does weight changes from Chennai to Trichy or probably not.

City has a large burden to bear quite literally.  

Recently-concluded survey across 11 cities in India on obesity-related trends.  

Chennai has come off heaving heavy.  

Nearly 38 per cent of the population in the city weighs above the ideal body weight.