Where under the scheme any work is carried out by the owner or by the Land Development Commissioner at the expense of the owner, and the work is in the opinion of the Board likely to benefit any other land in the area covered by the scheme, the owners of such other land shall be liable to contribute towards the expenses of carrying out the work such amount as the Board may determine:
     Provided that the Chief Commissioner may remit the whole or any part of the contribution so payable in respect of any work carried out on land belonging to the Government.