Why Sir Creek mattersSir Creek, originally Ban Ganga, is a fluctuating 96-km tidal estuary along the India-Pakistan border. Story continues below this adThe marshy area around Sir Creek teems with venomous Russel’s vipers and scorpions; every monsoon, the creek floods its banks, enveloping surrounding salt flats. Yet it has long been at the centre of an unresolved border dispute between India and Pakistan. STRATEGIC IMPORTANCE: As Singh alluded, Sir Creek is crucial to Pakistan’s defence of Karachi, Sindh’s capital and Pakistan’s economic hub and largest city. The boundary disputePakistan claims the entirety of Sir Creek, while India sets the boundary along the middle of the navigable channel.