UDALGURI: The Sewa Bharati, Purvanchal provided four oxygen concentrators to COVID patients who preferred to remain in home isolation. The oxygen concentrators were distributed in Khairabari, Udalguri, Rowta and Majbat. These concentrators will be provided to patients in need, said Puspadhar Sharma, the Sewa Bharati Pramukh of Udalguri district. Sharma is also the Principal of Udalguri HS School. RSS Udalguri unit has sanitized parts of Bhairabkunda, Sonaigaon, Goroimari and Khaurang areas and launched awareness campaign in the area.