The correct answer is option 1, Satna.
The question asks which city is not situated on the Varanasi-Kanyakumari National Highway. To dissect the options:
1. Satna: This city is not situated on the Varanasi-Kanyakumari National Highway.
2. Rewa: It is situated on the Varanasi-Kanyakumari National Highway.
3. Katni: It is situated on the Varanasi-Kanyakumari National Highway.
4. Jabalpur: It is situated on the Varanasi-Kanyakumari National Highway.
Therefore, the only option that is not on the Varanasi-Kanyakumari National Highway is Satna.
Note that the provided answer is generally correct, but if there is reason to believe it is incorrect, an alert should be raised.