Four cases of dengue and one case each of chikungunya and falciparum malaria have been reported in the same period.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/488-cases-malaria-17-days-city
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/daily-news-analysis-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/delhi
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/malaria
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/chikungunya
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vector-borne-diseases
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/typhoid
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cholera
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health