Lakhimpur case: Why No action likely against Ajay Misra?

Ashish Mishra Son of Union Minister of Home Affairs Ajay Mishra Teni had overpowered the farmers during the 'farmers protest' in Lakhimpur Kheri, But the resignation of Ajay Mishra Teni did not happen. On being asked questions about his son, Teni publicly abused the journalist, tried to slap, yet Teni did not resign. Meanwhile, Ajay Misra continued work at the Ministry of Home Affairs. Why government is not taking any action on the issue of Ajay Mishra Teni?