Sahda was taken out of the water by local residents but he could not be revived at the nearby Kackar Public Hospital.
POVARI Rafting Company, which provided Sahda's trip, is a local company with no work permit.
Groom Zafar, 26, from Barnsley, was also stabbed as the killer fled after Saturday's attack at Sahda's home in Birmingham.
Police yesterday urged Sahda's cousin, Rafiquat Hussain, 37, of Camberley, Surrey, to give himself up.
Bibi (above) was stabbed in her family home in Wright Road, Saltley, Birmingham, just hours before her wedding ceremony on January 11.
A 25-year-old man has been arrested in connection with the murder of bride-to-be Sahda
His comments came in the wake of the death of Sahda
Bibi at the weekend in Alum Rock.
West Midlands Police are searching for Rafaquat Hussain, from Surrey, the first cousin of 21-year-old Sahda