A survey of nulling pulsars with Giant Meterwave radio Telescope

Several pulsars show sudden cessation of pulsed emission, which is known as pulsar nulling. In this paper, we are reporting nulling behaviour of 15 pulsars among which five were discovered recently in Parks Multibeam Survey and never reported any nulling behaviour. We are also reporting refined nulling fraction for four known nulling pulsar where only an upper limit was available earlier. We are presenting first time results on reduction in the pulsed energy during the null phase for all our samples. The main aim of this study is to bring out the fact that nulling fraction does not quantify nulling in full detail as pulsar with similar nulling fraction exhibit different nulling behaviour.