setting off of a loss which arises in respect of speculation business against the profits and gains of any other business. Consequently, a loss which has arisen on account of speculation business can be set off only against the profits and gains of another speculation business. However, for Sub Section (1) of Section 73 to apply the loss must arise in relation to a speculation business. The explanation provides a deeming definition of when a company is deemed to be carrying on a speculation business. If, the submission of the Revenue is accepted, it would lead to an incongruous situation, where in determining as to whether a company is carrying on a speculation business within the meaning of the explanation, sub section (1) of Section 73 is applied in the first instance. This would in our view not be permissible as a matter of statutory interpretation, because the explanation is designed to define a situation where a company is deemed to carry on speculation business. It is only thereafter that sub section (1) of section 73 can apply. Applying the provisions of Section 73(1) to determine whether a company is carrying on speculation business would reverse the order of application. That would be impermissible, nor, is it contemplated by Parliament. For, the ambit of Sub Section (1) of Section 73 is only to prohibit