Explanation:
A partnership deed is a legal document that outlines the terms and conditions of a partnership between two or more individuals. It is an important document as it governs the rights, responsibilities, and obligations of each partner and helps in resolving any disputes that may arise in the future.

The partnership deed must be drafted properly and stamped according to the provisions of the Indian Stamp Act. This act governs the payment of stamp duty on various legal documents, including partnership deeds. Here is an explanation of why option 'A' (Indian Stamp Act) is the correct answer:

Indian Stamp Act:
- The Indian Stamp Act, 1899 is a legislation that governs the payment of stamp duty on various legal documents in India. Stamp duty is a type of tax that is levied on certain documents to make them legally valid and enforceable.
- Partnership deeds are considered to be an instrument of partnership and are subject to stamp duty as per the provisions of the Indian Stamp Act.
- The stamp duty payable on a partnership deed varies from state to state as it is a state subject. Each state has its own stamp duty rates and rules, which need to be followed while drafting and stamping the partnership deed.

Other Acts:
- The Indian Tax Act (option 'B') is a generic term and does not specifically apply to partnership deeds. The taxation of partnership firms is governed by the Income Tax Act, 1961, which is a separate legislation altogether.
- The Companies Act (option 'C') applies to companies and not partnership firms. Partnership firms are governed by the Indian Partnership Act, 1932, which is a separate legislation specifically designed for partnerships.
- The Indian Partnership Act, 1932 (option 'D') governs the formation, operation, and dissolution of partnership firms in India. While it is an important act for partnership firms, it does not specifically deal with the stamping of partnership deeds.

Therefore, the correct answer is option 'A' - the partnership deed must be drafted properly and stamped according to the provisions of the Indian Stamp Act. This ensures that the partnership deed is legally valid and enforceable.

A