Statement 1: Vegetation and living patterns depend on climate.

Statement 2: Areas that do not have water may not have industries or habitations.

Statement 3: For e.g. plains are more suitable for establishing industries than hilly areas.

Statement 4: Large population base will have a different habitation pattern and more intensive land use. "

The motion on Draft Constitution was declared as passed on November 26, 1949, and received the signatures of the members present and the president. The Preamble was enacted after the entire Constitution was already enacted. This is also the date mentioned in the Preamble as the date on which the people of India in the Constituent Assembly adopted, enacted and gave to themselves this Constitution.

Some provisions of the Constitution pertaining to citizenship, elections, provisional parliament, temporary and transitional provisions, and short title contained in Articles 5, 6, 7, 8, 9, 60, 324, 366, 367, 379, 380, 388, 391, 392 and 393 came into force on November 26, 1949 itself. The remaining provisions (the major part) of the Constitution came into force on January 26, 1950. This day is referred to in the Constitution as the 'date of its commencement', and celebrated as the Republic Day.

In addition to the making of the Constitution and enacting of ordinary laws, the Constituent Assembly also performed the following functions:

1. It ratified the India's membership of the Commonwealth in May 1949.
2. (Rest are mentioned in the options to this question).

Indian Polity by M Laxmikant;

Improvisation: Constitution Day celebrations.

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• Article 1 describes India, that is, Bharat as a 'Union of States' rather than a

'Federation of States'.

• According to Dr B R Ambedkar, the phrase 'Union of States' has been preferred to 'Federation of States' for two reasons: one, the Indian Federation is not the result of an agreement among the states like the American Federation; and two, the states have no right to secede from the federation.
• The federation is an Union because it is indestructible. The country is an integral whole and divided into different states only for the convenience of administration.

http://www.thehindu.com/news/national/tejas-aircraft-join-iaf/article8795690.ece

India's Light Combat Aircraft (LCA) together with its variants, is the smallest and lightest Multi-Role Supersonic Fighter Aircraft of its class. This single engine, Compound-Delta-Wing, Tailless Aircraft is designed and developed by ADA with HAL as the principal partner along with DRDO, CSIR, BEL, DGAQA, IAF & IN to meet diverse needs of the Indian Air Force (IAF) and Indian Navy (IN). "

• The Defence planning committee (DPC) is chaired by the National Security Advisor of India and the Chief of Integrated Staff in the Ministry of Defence will be the member secretary of DPC, and his headquarters will be the secretariat for the committee. The DPC will submit its reports to the Defence Minister of India
• The Defence Acquisition Council is the highest decision-making body in the Defence Ministry for deciding on new policies and capital acquisitions for the three services and the Indian Coast Guard. The Minister of Defence is the Chairman of the Council.
• The Nuclear Command Authority of India is the authority responsible for command, control and operational decisions regarding India's nuclear weapons programme
  • On 4 January 2003, the Cabinet Committee on Security (CCS) constituted the Political Council and the Executive Council of the NCA. The Executive Council gives its opinion to the Political Council, which authorises a nuclear attack when deemed necessary. While the Executive Council is chaired by the National Security Advisor (NSA), the Political Council is chaired by the Prime Minister. This mechanism was implemented to ensure that Indian nukes remain firmly in civilian control and that there exists a sophisticated Command and Control (C2) mechanism to prevent their accidental or unauthorised use

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