(1) The Central Government or the Board, upon—
(a) a complaint by any person;
(b) occurrence of a nuclear or radiological event;
(c) review of returns or reports received under clause (c) of sub-section (3) of section 10; or
(d) findings of inspection conducted under section 28, may carry out an investigation where it has reasonable grounds to believe that—
(i) there has been violation of the terms of a licence or safety authorisation or any provision of this Act, the rules or regulations made or directions issued thereunder; or
(ii) the activities are being conducted in a manner detrimental to safety, security or the implementation of safeguards.
(2) The manner of conduct of investigation under sub-section (1), shall be such as may be prescribed.
(3) The Central Government or the Board may cause the expenses of an inspection and investigation under this section to be borne by the licensee or the holder of a safety authorisation or other persons, as the case may be.