Complex sentence: India, being a colony of the British Empire started using the theatre as a tool to protest against the oppressive nature of the colonial rule and in order to check these revolutionary impulses, the British Government had to impose the Dramatic Performances Act.
Split into simpler sentences: India, being a colony of the British Empire had begun using the theatre as a tool of protest against the oppressive nature of the colonial rule. In order to check these revolutionary impulses, the British Government proceeded to impose the Dramatic Performances Act.