States/UTs with doubling rate of less than 20 days: J&K 11.5 days. States/UTs with doubling rate of less than 20 days: Delhi – 8.5 days, Karnataka – 9.2 days, Telangana – 9.4 days, Andhra Pradesh – 10.6 days, J&K(UT) – 11.5 days, Punjab – 13.1 Days, C hattisgarh – 13.3 days, Tamil Nadu -14 days