One of the most important impacts of ENSO on India's climate is on the Indian Monsoon. As Tom discussed in this post, La Nina tends to cause above average Indian summer rainfall, whereas El Nino tends to cause below average rainfall, but there are important details that may affect the strength of this relationship. 

If you would like to see global maps of seasonal temperature and precipitation anomalies associated with La Nina or El Nino, then this site can be quite helpful. Also, the India Meteorological Department monitors ENSO and Indian Ocean Dipole conditions, and so this site may be useful.