law: National Bank for Agriculture and Rural Development Act, 1981 
  26. Purchase and sale
  
  of shares.- 
  The National Bank may
  
  subscribe to, or purchase or sell stocks, shares, bonds or debentures of, or
  
  invest in the securities of, any institution or class of institutions concerned
  
  with agriculture and rural development which the Board may approve subject to
  
  such terms and conditions as it may deem fit.