Raj Batra (Irrfan Khan) is a rich businessman from Delhi staying with his wife Mita (Saba Qamar). Although Raj and Mita studied in a Hindi Medium school, they want their 5-year-old daughter, Pia (Dishita Sehgal), to be admitted to one of the top schools in Delhi. The top school, 'Delhi Grammar School', has a condition that they will admit students who reside within a 3km radius, so the family moves to Vasant Vihar.