S.68: Cash credits – Appeal -Supreme Court- Pricipal Officer- Bogus share capital-Ex-parte order – Service of notice- Authorised representative – Recall of ex-parte order-A power of attorney holder is an agent and Principal Officer u/s 2(35)-If a Chartered Accountant is granted a Power of attorney holder service upon him of a notice is valid- If a notice is duly served upon the litigant through its authorized representative, and it was provided sufficient opportunity to appear before the Court and contest the matter but the litigant choses to let the matter proceed ex parte, the order cannot be recalled. [S. 2(35) 261, 262 , 282, 288, Art . 136 ]