What is common to the places known as Aliyar, Isapur and Kangsabati?

In the context of proposals to the use of Hydrogen-enriched CNG(H-CNG) as fuel for buses in public transport, consider the following statements.

1. The main advantage of the use of H-CNG is the elimination of carbon monoxide emissions.

2. H-CNG as fuel reduces Carbon dioxide and hydrocarbon emissions.

3. Hydrogen upto one-fifth by volume can be blended with CNG as a fuel for buses.

4. H-CNG makes the fuel less expansive than CNG.

Which of the statements given above is/are correct?

Consider the following statements.

1. The 42^nd Amendment to the Constitution of India introduced an Article placing the election of the Prime Minister beyond Judicial Review.

2. The Supreme Court of India struck down the 99^th Amendment to the Constitution of India as being violative of the independence of Judiciary.

Which of the statements given above is/are correct?

Consider the following statements.

1. The motion to impeach a Judge of the Supreme Court of India cannot be rejected by the Speaker of the Lok Sabha as per the Judges (Inquiry) Act, $1968$.

2. The Constitution of India defines and gives details of what constitutes 'incapacity' and 'proved misbehaviour' of the Judges of the Supreme Court of India.

3. The details of the process of impeachment of the Judges of the Supreme Court of India are given in the Judges (Inquiry) Act, $1968$.

4. If the motion for the impeachment of a Judge is taken up for voting, the Law requires the motion to be backed by each House of the Parliament and supported by a majority of the total membership of that House and by not less than two-thirds of total members of that House present and voting.

Which of the following statements given above is/are correct?

Consider the following statements.

1. Coal sector was nationalised by the Government of India under Indira Gandhi.

2. Now, coal blocks are allocated on lottery basis.

3. Till recently, India imported coal to meet the shortages of domestic supply, but now India is self-sufficient in coal production.

Which of the statements given above is/are correct?

Consider the following statements.

1. The Parliament (Prevention of Disqualification) Act, 1959 exempts several posts from disqualification on the grounds of 'Office of Profit'.

2. The above-mentioned Act was amended five times.

3. The term 'Office of Profit' is well-defined in the Constitution of India. 

Which of the statements given above is/are correct?

Under which Schedule of the Constitution of India can the transfer of tribal land to private parties for mining be declared null and void?