India, Nov. 1 -- New Delhi

Delhi chief minister Rekha Gupta on Friday hit out at the Aam Aadmi Party (AAP), accusing it of spreading misinformation over air quality data and the city's ongoing anti-pollution efforts. Dismissing the opposition's claims, alleging misleading data, Gupta said pollution data cannot be manipulated and advised AAP leaders to "stick to singing songs".

Her remarks came after the AAP alleged that the Bharatiya Janata Party (BJP)-led Delhi government had shut air quality monitoring stations and tampered with air quality index (AQI) readings on Diwali night to downplay the pollution level.

"There is something seriously wrong with AAP's thinking. If the AQI improves, they say the data is fudged. If it worsens, they...