Which of the following is an indiction for tonsillectomy –a) Rheumatic feverb) Glomerulonephritisc) Recurrent upper respiratory infectiond) Persistent carrier of diptheria bacilli
ab
cd
bd
ac
Indications of tonsillectomy 

Recurrent sore throat —› If more than six attacks of tonsillitis in a year for two consecutive years.
Tonsillar or peritonsillar abscess              o Retention cyst of tonsil                  o Diphtheria carriers
Tonsillolith                                                   o Suspicious malignancy                  o Obustructive sleep apnea