Capital gains loss carry forward: set off limited by short-term and long-term treatment and restricted carryforward duration. Losses under the head Capital gains must be carried forward and can be set off only against income under the same head in subsequent assessment years; short-term capital losses may be set off against other capital gains, while long-term capital losses are restricted to non-short-term capital gains, and any unabsorbed loss is carried forward subject to a statutory temporal limit on carryforward.