J.A. Jayalal, senior national vice president, IMA, said a majority of private hospitals in the State are participating in the strike and have shut down their outpatient's services on Monday.
He added that nearly 19 States including Tamil Nadu have Acts to protect hospitals and doctors against violence, and central legislation was the need of the hour.
Outpatient wards in over 520 private hospitals including 400 clinics and 120 hospitals are shut across Dindigul district till 6 a.m. Tuesday, as over 900 doctors are on a strike.
Members of Telangana Junior Doctors Association (TJUDA), Nizam's Institute of Medical Sciences (NIMS) Resident Doctors Association (RDA), too are going to stage protests on Monday morning.
Emergency and casualty wards will be open.