This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Occupational Health, Subject name: Social & Preventive Medicine
Under ESI act 1948, Sickness benefit is payable for: 
Select and explain. 
A. 51 days, B. 101 days, C. 91 days, D. 81 days
C: 91 days
Answer: C: 91 days 
Explanation: Sickness benefit: 70% of the average daily wages and is payable for 91 days (in any continuous period 365 days) 1) Extended sickness benefit: Payable for 2 years (set of 34 diseases) 2) Enhanced sickness benefit: Full average daily wage for duration 7 days in Vasectomy and 14 days in Tubectomy - ESI act 1948 is applicable to all employees except in Defense Railway Mines