S. 139 : Return of income–revised return–amalgamation–post amalgamation revised return was required to be filed as the effective date was much prior to such date–Held, section 139(5) is not applicable to cases where revised returns are required to be filed pursuant to the approval of scheme of amalgamation by competent court–Held, Rule 12(3) requiring filing of return of income electronically not applicable to cases where the revised returns are require to be filed pursuant to the approval of scheme of amalgamation by competent court–Held, if electronic filing is not possible, Department to accept physical revised return. [S. 119, Companies Act, 2013 S. 391, and Rule 12(3) of the Rules]