Option 1: M. S. Aney

Option 2: G. V. Mavalankar

Option 3: C. M. Stephen

Option 4: A. Ayyangar

The correct answer is Option 1: M. S. Aney. In 1942, M. S. Aney moved the motion of Secret Sitting Session of the Assembly.

Option 2: G. V. Mavalankar is incorrect as he was the first Speaker of the Lok Sabha, the lower house of the Indian Parliament, and not involved in the Secret Sitting Session of the Assembly in 1942.

Option 3: C. M. Stephen is incorrect as there is no information available or any significant role attributed to him for moving the motion of Secret Sitting Session of the Assembly in 1942.

Option 4: A. Ayyangar is incorrect as there is no information available or any significant role attributed to him for moving the motion of Secret Sitting Session of the Assembly in 1942.

Therefore, the correct answer is Option 1: M. S. Aney.