A trek was organised by HSA to raise funds for The Indian Cancer Society, which promotes cancer awareness and education, and also offers high quality-low cost cancer screening facilities across India. HSA participated by trekking on the frozen Zanskar River (called ‘Chadar’ in winter) for a total of 9 days, covering a distance of more than 100 kms at altitudes of 12,500 feet with temperatures ranging from minus 15 to minus 30 degrees.