Who among the following was/were associated with the introduction of Ryotwari Settlement in India during the British rule?

1. Lord Cornwallis

2. Alexander Read

3. Thomas Munro

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In the context of solving pollution problems, what is/are the advantage/disadvantages of bioremediation technique?
1. It is a technique for cleaning up pollution by enhancing the same biodegradation process that occurs in nature.
2. Any contaminant with heavy metals such as cadmium and lead can be readily and completely treated by bioremediation using microorganisms.
3. Genetic engineering can be used to create microorganisms specifically designed for bioremediation.
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Consider the following statements: With reference to the Constitution of India, the Directive Principles of State Policy constitute limitations upon:

1. legislative function

2. executive function

Which of the above statements is/are correct?

With reference to the ‘Prohibition of Benami Property Transactions Act, 1988 (PBPT Act)’, consider the following statements:

$1$. A property transaction is not treated as a Benami transaction if the owner of the property is not aware of the transaction

$2$. Properties held Benami are liable for confiscation by the Government.

$3$. The Act provides for three authorities for investigations but does not provide for any appellate mechanism.

Which of the statements given above is/are correct?