No association or partnership consisting of more than ________persons shall be formed for the purpose of carrying on any business, unless it is registered as a company under the Companies Act, 2013.

As per section 464 of the Companies Act, 2013 - No association or partnership consisting of more than such number of persons as may be prescribed shall be formed for the purpose of carrying on any business that has for its object the acquisition of gain by the association or partnership or by the individual members thereof, unless it is registered as a company under this Act or is formed under any other law for the time being in force: Provided that the number of persons which may be prescribed under this sub-section shall not exceed one hundred.As per Rule 10 of Companies Miscellaneous Rules, 2014 No association or partnership shall be formed, consisting of more than fifty persons for the purpose of carrying on any business that has for its objects the acquisition of gain by the association or partnership or by individual members thereof, unless it is registered as a company under the Act or is formed under any other law for the time being in force.