कौन सी प्रमुख संवैधानिक विशेषता पहली बार भारत सरकार अधिनियम, 1935 द्वारा पेश की गई थी और बाद में भारतीय संविधान में अपनाई गई थी?

In which year did the offices of Speaker and Deputy Speaker originate in India under the provisions of the Government of India Act, 1919?

The landmark Constitution (Application to Jammu and Kashmir) Order, 1954, which systematically extended various provisions of the Indian Constitution to the state, was promulgated by the President under which specific clause of Article 370?