Section 5(2) in The National Tiger Conservation Authority (Recruitment and Conditions of Service of Officers and other Employees) Rules, 2007
(2)The regular and continuous service of officers referred in sub-rule (1) in the respective grades immediately before probation period, qualifying service for promotion, confirmation and pension in the service.Provided that eligibility length of service for promotions to those appointed directly before commencement of these rules shall count from the date of entry.
