What Makes India a Federal Country?

Examine the following pairs that give the level of Government in India and the powers of the Government at that level to make laws on the subjects mentioned against each. Which of the following pairs is not correctly matched?

A few subjects in various Lists of the Indian Constitution are given here. Group them under the Union, State and Concurrent Lists as provided in the table below.
A. Defence; B. Police; C. Agriculture; D. Education; E. Banking; F. Forests; G. Communications; H. Trade; I. Marriages

Identify any three States which have been carved out of bigger States.

Identify the names of three States in $1947$ that have been changed later.

Suppose the Chief Ministers of Andhra Pradesh, Chhattisgarh and Orissa have different policies on how their state police should respond to Naxalites. Can the Prime Minister of India intervene and pass an order that all the Chief Ministers have to abide by?

Suppose the Government of Sikkim plans to introduce new textbooks in its schools. But the Union Government does not like the style and content of the new textbooks. In that case, does the state government need to take permission from the Union Government before launching the textbooks? 

Pokharan, the place where India conducted its nuclear tests, lies in Rajasthan. Suppose the Government of Rajasthan was opposed to the Central Government's nuclear policy; could it prevent the Government of India from conducting the nuclear tests?

If agriculture and commerce are state subjects, why do we have ministers of agriculture and commerce in the Union Cabinet?

Why did our constitution-makers not mention the word federalism in Constitution? Did they not know about federalism? Or did they wish to avoid talking about it?

Some Nepalese citizens were discussing the proposals on the adoption of federalism in their new constitution. This is what some of them said:

Khag Raj: I don't like federalism. It would lead to the reservation of seats for different caste groups as in India.

Sarita: Ours is not a very big country. We don't need federalism.

Babu Lal: I am hopeful that the Terai areas will get more autonomy if they get their own state government. 

Ram Ganesh: I like federalism because it will mean that powers that were earlier enjoyed by the king will now be exercised by our elected representatives.

A. If you were participating in this conversation what would be your response to each of these?

B. Which of these reflect a wrong understanding of what federalism is?

C. What makes India a federal country?