[Resolved]  AO Smith — Wrongly charged , poor service

I contacted AO SMITH CUSTOMER SERVICE for water purifier routine service on 6.11.2021. A person named Brijesh was appointed for the same . Mobile number -[protected]; [protected] . He without my permission changed parts charged me RS 5300 . I was surprised because I had never paid so much for services before . However to my disappointment the filter stopped working since the next day . And I have been trying to contact Brijesh . He just tells any time never comes . I am a doctor and have off only on few weekends . This weekend also till now I have been waiting for him . He is not answering calls