Explanation:

Here’s the explanation for each district and its mascot:

- Bhilwara – Peacock:

Correct. Peacock is the mascot for Bhilwara.

- Churu – Black Buck:

Correct. Churu’s mascot is the Black Buck.

- Sawai Madhopur – Lion:

Not correct. The mascot for Sawai Madhopur is the Tiger, not the Lion.

- Jaisalmer – Great Indian Bustard:

Correct. The Great Indian Bustard is the mascot for Jaisalmer.

Now, let’s check the options:

- Option 1: Churu – Black Buck. (Correct)

- Option 2: Sawai Madhopur – Lion. (Incorrect match)

- Option 3: Sawai Madhopur – Lion. (Incorrect match)

- Option 4: Jaisalmer – Great Indian Bustard. (Correct)

So, the correct answer is:

Option 2 (Sawai Madhopur – Lion) is NOT a correct match.