• Aspirants should have a Bachelor’s Degree from any of the recognized universities
• Aspirants who have appeared for the qualifying examination and are awaiting results or those who are yet to appear for the qualifying examination are also eligible for the Preliminary Examination. Such candidates have to produce proof of passing the said examination along with the application for the Main Examination
• Aspirants with professional and technical qualifications recognized by the Government or its equivalent are also eligible to apply
• Aspirants who have passed the final year of MBBS or any Medical Examination but are yet to complete the internship can also appear for the Main Examination. However, they must submit a certificate from the concerned University that they have passed the final professional medical examination.

The upper age limit prescribed above is relaxable for the following candidates:

• 5 Years – Scheduled Caste/ Scheduled Tribe (SC/ST)
• 3 Years – Other Backward Classes (OBC)
• 3 Years – Defence Services personnel
• 5 Years – ex-servicemen including Commissioned Officers and ECOs/SSCOs who have rendered at least 5 years Military Service as on August 01, 2018
• 5 Years in the case of ECOs/SSCOs
• 10 Years – Blind, deaf-mute, and orthopedically handicapped persons
• 5 Years –  In the case of ECOs/SSCOs who have completed an initial period of assignment of five years of Military Service as on 1st August 2018.

• Aspirants Should be a citizen of India
• Aspirants Should be a citizen of Nepal or a subject of Bhutan
• Aspirants Should be a Tibetan Refugee who came to India before January 1, 1962, to be settled permanently in India
• Aspirants Should be a person of Indian Origin who has migrated from Ethiopia, Kenya, Malawi, Myanmar, Pakistan, Sri Lanka, Tanzania, Uganda, Vietnam, Zaire, or Zambia with an intention of permanently settling in India