The correct option is III only
Explanation
The Lokpal and Lokayuktas Act, 2013 lays down provisions regarding jurisdiction, composition, eligibility, and powers of the Lokpal.
Statement-wise Analysis
- The power of Lokpal applies to public servants of India, but not to the Indian public servants posted outside India — Incorrect
The jurisdiction of the Lokpal extends to public servants, including those serving outside India, if they fall within the definition of public servants under the Act. - The Chairperson or a Member shall not be a Member of the Parliament or a Member of the Legislature of any State or Union Territory, and only the Chief Justice of India, whether incumbent or retired, has to be its Chairperson — Incorrect
While Members cannot be part of Parliament or State Legislature, the Chairperson need not necessarily be the Chief Justice of India. The Chairperson can be a former Chief Justice of India, a former Supreme Court Judge, or an eminent person meeting prescribed criteria. - The Chairperson or a Member shall not be a person of less than forty-five years of age on the date of assuming office as the Chairperson or Member — Correct
The Act prescribes a minimum age of 45 years for appointment as Chairperson or Member. - Lokpal cannot inquire into the allegations of corruption against a sitting Prime Minister of India — Incorrect
The Lokpal can inquire into allegations against a sitting Prime Minister, subject to specific safeguards and exclusions related to national security, foreign relations, and public order.
Key Takeaway: Lokpal has broad jurisdiction including over the Prime Minister (with safeguards), flexible eligibility for Chairperson, and a minimum age requirement of 45 years.