3. Amendment of section 3.- In section 3 of the principal Act - (i) in clause (a), after the words "atomic energy", the words "either by itself or through any authority or corporation established by it or a Government company" shall be inserted; (ii) for clause (b) the following clauses shall be substituted, namely— (b) to manufacture or otherwise produce any prescribed or radioactive substance and any articles which in its opinion are, or are likely to be, required for, or in connection with, the production, development or use of atomic energy or such re search as aforesaid and to dispose of such prescribed or radioactive substance or any article manufactured or otherwise produced; (bb) (i) to buy or otherwise acquire, store and transport any prescribed or radioac- tive substance and any articles which in its opinion are, or are likely to be, required for, or in connection with, the production, development or use of atomic energy; and (ii) to dispose of such prescribed or radioactive substance or any articles bought or otherwise acquired by it, either by itself or through any authority or corporation established by it, or by a Government company". (iii) in clause (f), after the words "all matters incidental thereto", the words "either by itself or through any authority or corporation established by it or a Government company" shall be inserted. | 
