Tirurangadi resident Jifri, an alleged drug peddler with criminal antecedents, was taken into custody along with four others by the police based on a tip-off.
The women earn salaries between Rs 7,500 and Rs 14,000 as per the nature of their work with Haritha Karma Sena - a green initiative undertaken by the Parappanangadi Municipality.
The Alappuzha-based woman submitted a complaint with the Malappuram district police chief on Monday.
Malappuram District Tourism Promotion Council introduced mud football in Wayanad several years ago to promote tourism.
The family’s relatives informed the police that both children were afflicted with Duchenne muscular dystrophy (DMD), one of the most severe forms of inherited muscular dystrophy.
It is yet to be confirmed why the family entered the waterbody in the wee hours of the day.