KWADWO v SONO Concessions—Grant—Customary rights of local population—Whether concessionaire's right to timber abridging indigenous farmer's rights and protection to crops—Legal basis for preservation of customary rights, interests and privileges of local population over demised land—Concessions Ordinance, Cap 136 (1951 Rev), s 13 (6)-(9)—Concessions Act, 1962 (Act 124), s 16 (4) and (5).