It is now possible to purchase lights which switch on automatically when dark at a low price
These lamps are available at exhibitions in goa for less than Rs 100
They have a sensor to detect the levels of lighting in the room and will automatically switch on when it becomes dark.
It is useful for older people and those who come home late, since the room is already lit.
The sensor light will automatically switch off during the day, and when the other room lighting is switched on
Offline the price is slightly more
These lamps are good for homes which are infested with rats and mice, since the mice avoid these lamps