Variation of programme by Board

The Board may at any time vary any programme or any part thereof included in the programme forwarded to the State Government under section 35;

Provided that no such variation shall be made if it involves an expenditure in excess of fifteen percent of the amount originally provided for the execution of any housing scheme included in such programme or affects its scope or purpose;

Provided further that where the Board is indebted to the State Government, no such variation shall be made except with the previous sanction of the State Government.