12 Kolkata: The Ananda Margis on Wednesday observed ‘Manabata Bachao Diswas' (Save Humanity Day) from Deshapriya Park to Bijon Setu to remember the killing of 16 sadhus and a sadhvi of the sect at Bijon Setu on April 30, 1982. In 2012, the Bengal govt had formed a judicial commission to probe the killings. tnn