law: Indian Trusts Act, 1882 
  36. General authority of trustee 
  In addition to the powers expressly conferred by this Act and by
  
  the instrument of trust, and subject to the restriction, if any, contained in
  
  such instrument, and to the provisions of section 17, a trustee may do all acts
  
  which are reasonable and proper for the realization, protection or benefit of
  
  the trust-property, and for the protection or support of a beneficiary who is
  
  not competent to contract.
  Except with the permission of a principal civil court of
  
  original jurisdiction, no trustee shall lease trust-property for a term
  
  exceeding twenty-one years from the date of executing the lease, nor without
  
  reserving the best yearly rent than can be reasonably obtained.