Government of India Act 1919 gives 3 years tenure to _____?

Government of India Act 1919 gives 3 years tenure to _____?

گورنمنٹ آف انڈیا ایکٹ 1919 _____ کو 3 سال کی میعاد دیتا ہے؟
Explanation

The Government of India Act 1919  was an Act of the Parliament of the United Kingdom.

It was passed to expand participation of Indians in the government of India.