This act of 1919 introduced dyarchy or dual Government in the provinces.
From the en.wikipedia.org
It proposed the abolition of dyarchy and the establishment of representative government in the provinces.
From the en.wikipedia.org
The Government of India Act 1919 had introduced the system of dyarchy to govern the provinces of British India.
From the en.wikipedia.org
The experiment with dyarchy proved unsatisfactory.
From the en.wikipedia.org
Dyarchy has never worked in Russia.
From the theatlantic.com
The party emerged as the single largest party in the 1926 and 1934 Assembly elections but refused to form the provincial government under the existing dyarchy system.
From the en.wikipedia.org
More examples
Diarchy: a form of government having two joint rulers
Diarchy (or dyarchy; from the Greek u03B4u03B9- / u03B4u03CDu03BF meaning "two" and u1F04u03C1u03C7u03C9 meaning "I rule") is a form of government in which two individuals ("diarchs") are joint heads of state. Most diarchs hold their position for life, passing the position to their children or other family members.
Alternative spelling of diarchy
The division of Indian government in the provinces into reserved and transferred subjects. Reserved subjects covered the key areas of government including finance, taxation and law and order, and were left under the control of the British Governors. ...
Legal/Administrative Literally = dual rule. where the powers of government within a State are exercised by two distinct elements.