Bangalore: The Kaiga nuclear plant consisting of four reactors comes under seismic zone three which ordinarily means a moderate damage risk zone.
There are five seismic zones in India and zone five is the one with severest risk and high damage risk zone.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/kaiga-plant-tsunami-proof-location
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/koyna
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kaiga-aps
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/tsunami
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/natural-disasters
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/karnataka
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/nuclear-power-plants