The outstanding feature of Indian weather in the second half of April and the first week of May of the year was the extremely high temperatures over a large part of Northern India.
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/heat-wave-over-northern-india-april-may-1941
[2] http://admin.indiaenvironmentportal.org.in/category/author/c-ramaswamy
[3] http://admin.indiaenvironmentportal.org.in/category/journal/current-science
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/heat-waves
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/india
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/climate-change