Are there any specific stipulations regarding how and where an order made under Article 356 can be extended to other parts of the territory of India?
Yes, there are specific stipulations regarding how and where an order made under Article 356 can be extended to other parts of the territory of India. According to the provided context:

"(2) An order made as aforesaid may extend to the whole or any part of the territory of India: Provided that where a Proclamation of Emergency is in operation only in a part of the territory of India, any such order shall not extend to any other part of the territory of India unless the President, being satisfied that the security of India or any part of the territory thereof is threatened by activities in or in relation to the part of the territory of India in which the Proclamation of Emergency is in operation, considers such extension to be necessary."