72. Best judgement assessment

If

(a) Any person fails to make the return under section 70, or

(b) Any person having made a return fails to comply with the provisions of section 71, or

(c) The Assistant Commissioner of Central Excise or, as the case may be, Deputy Commissioner of Central Excise is not satisfied with the correctness or the completeness of the accounts of the assessee,

The Assistant Commissioner of Central Excise or, as the case may be, Deputy Commissioner of Central Excise, after taking into account all the relevant material which he has gathered, shall, by an order in writing, make the assessment of the value of taxable service to the best of his judgement and determine the sum payable by the assessee or refundable to the assessee on the basis of such assessment.