<prompt> The extended sickness benefit is given for?309 days365 days409 days2 years  <response>: In addition to 91 days of sickness benefit, insured persons suffering from ceain long term diseases are entitled to extended sickness benefit for a maximum period of 2 years. REF. PARK;S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICAL 21ST EDITION. PAGE NO - 757 