Modi Govt was formed in May 2014 & just 2 months later, Modi Govt brought a notification which took away powers of Anti-Corruption branch. Means Sheila Dixit had ACB for 15 years but was taken away because Modi was too scared of Arvind Kejriwal and his ACB (sic),

Saurabh Bhardwaj, 3 months
SC ruling on Delhi power tussle: From AAP to Congress, what parties said