GSRTC operates bus services within Gujarat and to some parts of:

The correct answer is: c) Selected neighboring states.

GSRTC operates bus services within Gujarat and to some parts of the neighboring states of Rajasthan, Madhya Pradesh, Maharashtra, and Dadra and Nagar Haveli. It does not operate bus services to the neighboring states of Haryana, Punjab, and Uttar Pradesh.

Option a) is incorrect because GSRTC does not operate bus services to all neighboring states.

Option b) is incorrect because GSRTC operates bus services to more than just Maharashtra.

Option d) is incorrect because GSRTC does operate bus services to some neighboring states.