Correct option is C
Hardoi district of Uttar Pradesh is surrounded entirely by other districts of the state and does not share any borders with another state or country.
Information Booster:
- Hardoi is located in central Uttar Pradesh.
- Neighboring districts include Lucknow, Kannauj, and Shahjahanpur.
- It has a rich agricultural economy.
- The Ganga and Gomti rivers flow through Hardoi.
- Historically, it was part of the Awadh region.
Additional Knowledge:
- (a) Saharanpur: Shares a border with Uttarakhand.
- (b) Deoria: Borders Bihar.
- (c) Hardoi: Central district with no external borders.
- (d) Lalitpur: Borders Madhya Pradesh.