Correct Answer: SEBI (Securities and Exchange Board of India)
   

Solution : The correct answer is (b) SEBI (Securities and Exchange Board of India).

SEBI (Securities and Exchange Board of India) is the regulatory authority for the Indian stock market. It is an independent statutory regulatory body established in 1988 and operates under the jurisdiction of the Ministry of Finance, Government of India. SEBI's primary objective is to protect the interests of investors and promote the development and regulation of the securities market in India.

SEBI plays a vital role in regulating various participants in the Indian securities market, including stock exchanges, brokers, merchant bankers, portfolio managers, and other market intermediaries. 

Correct Answer: Battle of Plassey

Solution : The British occupation of India altered the path of Indian history. The 1757 Battle of Plassey served as the cornerstone for the British Empire in India. Hence, the correct option is 1.

Correct Answer: 1946

Solution : The correct option is 1946.

The Cabinet Mission, arriving in India in 1946, recommended the formation of a Constituent Assembly to draft the country's Constitution. The Cabinet Mission, consisting of three Cabinet ministers from Britain—Sir Pethick Lawrence, Sir Stafford Cripps and A.V. Alexander—visited India in March 1946.

Correct Answer: 1919

Solution : The correct option is - 1919

The System of Dyarchy was introduced in India through the Government of India Act of 1919, also known as the Montagu-Chelmsford Reforms. This act was implemented in 1921. Under dyarchy, certain subjects were placed under the control of elected Indian ministers, while others remained under the direct control of British officials. The reserved subjects were typically more significant, including matters related to finance, law and order, and public services. This system was initially implemented at the provincial level.

Correct Answer: J.A.Hickey.

Solution : Correct Answer is J.A.Hickey.

A two-sheet newspaper, it was published weekly. The Bengal Gazette, the first Indian newspaper, was published in India by James Augustus Hicky in 1780. Even though it was also known as the Calcutta General Advertiser, it was often referred to as Hicky's Gazette. To emphasize that his newspaper was founded first, Hicky changed the name of his publication from Hicky's Bengal Gazette—or, Calcutta General Advertiser—to Hicky's Bengal Gazette.

Correct Answer: Chhatrapati Shivaji Maharaj International Airport

Solution : Chhatrapati Shivaji Maharaj International Airport has the tallest air traffic control tower in India, enhancing air traffic management and safety.

Correct Answer: Sansad

Solution : The correct option is Sansad.

The Parliament of India is also known as the "Sansad" in Hindi. Comprising the Lok Sabha (House of the People) and the Rajya Sabha (Council of States), it is the supreme legislative body. It formulates laws, debates policies and represents the diverse interests of the Indian population in a democratic framework.

Correct Answer: Act of 1909

Solution : The correct answer is the Act of 1909.

The communal electorate was first established by the Indian Council Act of 1909, also known as the Morley-Minto Reforms. By dividing the populace along communal lines, this was meant to halt the rising tide of nationalism in the nation. The term "father of the communal electorate" refers to Lord Minto.

Correct Answer: SEBI (Securities and Exchange Board of India)
   

Solution : The correct answer is (b) SEBI (Securities and Exchange Board of India).

SEBI (Securities and Exchange Board of India) is the regulatory authority for the Indian stock market. It is an independent statutory regulatory body established in 1988 and operates under the jurisdiction of the Ministry of Finance, Government of India. SEBI's primary objective is to protect the interests of investors and promote the development and regulation of the securities market in India.

SEBI plays a vital role in regulating various participants in the Indian securities market, including stock exchanges, brokers, merchant bankers, portfolio managers, and other market intermediaries. 

Correct Answer: Radcliffe line

Solution : The correct option is the Radcliffe line.

The border line that separates India and Pakistan is the Radcliffe Line. It is named after Sir Cyril Radcliffe, the chairman of the Border Commission responsible for demarcating the boundaries between the two newly independent countries in 1947.