evidence: Yes. The border dispute has been addressed through several official channels since the 1990s, as observed by former Indian ambassador Jayant Prasad. The dispute has roots going back to the 1950s, as detailed in a deeply researched essay by Sam Cowan. Besides Kalapani, there is also a second dispute with India in the Susta river border region. While not well known, there is also a possible issue at the Eastern tri-junction with China and the Indian state of Sikkim.