Rat repellent required urgently.

Rats and bandicoots are coming to entrance of a house at the ground floor and are leaving their excreta, dirtying the place and creating a health hazard .
Looking for a cost effective solution to drive away the rats and ensure that they do not come to the entrance of the house again,
Rat repellant chalks and cubes are not working
The area where the rat repellant is placed is not locked, as it is outside the house, so the rat repellant should not be expensive, something that visitors or people passing by. will steal
Rat and mice repellant providers are requested to send their best offer at the earliest to info@textads.in