Only four IAS officers serving as Secretary in GoI from biggest cadre

The Uttar Pradesh is the biggest cadre in the country but only four IAS officers are serving as Secretary in the Govt of India from this cadre. They are: Sanjay Agrawal - Secretary Agriculture; Durga Prasad Mishra - Secretary Urban Development & Housing; Susheel Kumar - Secretary Panchayat Raj and Debashish Panda - Secretary Financial Services. However, one more IAS officer Parmeshwar Iyer is serving as Secretary, Drinking Water and Sanitation after retiring voluntarily.