Delhi's East, North, and South civic bodies were unified into one Municipal Corporation of Delhi (MCD) earlier this year.
BJP said AAP is patronising Rohingiyas and Bangladeshis and is nervous at their encroachments being removed.
NDMC began an anti-encroachment drive in Jahangirpuri last month following communal clashes in the area on Hanuman Jayanti.
A bill to merge the three Delhi municipal corporations into a single entity was introduced in the Lok Sabha on Friday.
NDMC has decided to arrange separate counters and waiting room for suspected patients along with increasing oxygen supply.