In India, vast reserves of natural gas are found in:

Options

A. Tripura
B. Rajasthan
C. Maharashtra
D. All of the above

Explanation

To answer the question about where vast reserves of natural gas are found in India, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question asks for the locations in India where vast reserves of natural gas are found.

2. **Recall Information**: From the study of natural gas, we know that it is composed of various hydrocarbons, primarily methane, along with other gases like butane, propane, carbon dioxide, hydrogen, and oxygen.

3. **Identify Key Locations**: According to the information provided, natural gas reserves in India are primarily found in the states of Tripura, Rajasthan, and Maharashtra.

4. **Formulate the Answer**: Since the question asks for the locations, we can conclude that natural gas reserves are found in Tripura, Rajasthan, and Maharashtra.

5. **Select the Correct Option**: If the options provided include these three states, the correct answer would be "All of these."

### Final Answer:
Natural gas reserves in India are found in Tripura, Rajasthan, and Maharashtra. Therefore, the answer is "All of these."

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