Olympian is defined in 2 entries on this site. They do not all use the same wording, so each version is shown below with the entries that use it. Check the definition of the scheme you are applying for: that is the one that counts.
How each entry defines it
Most used wording first
a sports person who participated in the Olympic Games as a member of the Indian contingent approved by the Government of India.
Official wording.
Used in 1 entry:
a sportsperson who participated in the Olympic Games as a Member of Indian Contingent approved by the Government of India.
Official wording.
Used in 1 entry: