The observance of Ganga Dussehra lasts for 10 days. This year, Ganga Dussehra 2021 takes place on June 20. People throng in numbers to take a dip in the holy Ganga in her honour. It is considered very auspicious. But amid the pandemic, people are advised to stay indoors as much as possible. So, it's better to celebrate this day by exchanging Ganga Dussehra 2021 wishes, messages, greetings and images via messaging app or social media platforms.