With modern housing designs increase in housing density and use of window air-conditioners, pigeon population has increased so much as to be categorized as pests. Over a period of time, due to their littering habits, dry feathers and generally unpleasant odour of the roosting / nesting place, they become a nuisance. It is known that if pigeons lose the identity of a place, they hardly visit the same again, so by using techniques, which deter pigeons from homing on to undesired locations, it is possible to keep them away. The common methods are use of imported, well tested Nettings and Spikes installed strategically to prevent ingress of birds.