Companies Act, 1956
Sec 434 - Company when deemed unable to pay its debts.
(1) A company shall be deemed to be unable to pay its debts
(a) if a creditor, by assignment or otherwise, to whom the company is indebted in a sum exceeding five hundred rupees then due, has served on the company, by causing it to be delivered at its registered office, by registered post or otherwise, a demand under his hand requiring the company to pay the sum so due and the company has for three weeks thereafter neglected to pay the sum, or to secure or compound for it to the reasonable satisfaction of the creditor ;
(b) if execution or other process issued on a decree or order of any Court in favor of a creditor of the company is returned unsatisfied in whole or in part ; or
(c) if it is proved to the satisfaction of the Court that the company is unable to pay its debts, and, in determining whether a company is unable to pay its debts, the Court shall take into account the contingent and prospective liabilities of the company.
(2) The demand referred to in clause (a) of sub-section (1) shall be deemed to have been duly given under the hand of the creditor if it is signed by any agent or legal adviser duly authorized on his behalf, or in the case of a firm, if it is signed by any such agent or legal adviser or by any member of the firm.