With reference to the Indian polity, consider the following statements:

I. The Governor of a State is not answerable to any court for the exercise and performance of the powers and duties of his/her office.

II. No criminal proceedings shall be instituted or continued against the Governor during his/her term of office.

III. Members of a State Legislature are not liable to any proceedings in any court in respect of anything said within the House.

Which of the statements given above are correct?

Consider the following activities:

I. Production of crude oil-free

II. Refining, storage and distribution of petroleum

III. Marketing and sale of petroleum products

IV. Production of natural gas

How many of the above activities are regulated by the Petroleum and Natural Gas Regulatory Board in our country?

Consider the following types of vehicles:

I. Full battery electric vehicles

II. Hydrogen fuel cell vehicles

III. Fuel cell-electric hybrid vehicles

How many of the above are considered as alternative powertrain vehicles?

With reference to Unmanned Aerial Vehicles (UAVs), consider the following statements:

I. All types of UAVs can do vertical landing.

II. All types of UAVs can do automated hovering.

III. All types of UAVs can use battery only as a source of power supply.

How many of the statements given above are correct?