And further to ensure good progress during the execution of the work, the contractor shall be bound, in all cases in which the time allowed for any work exceeds one month, to complete 190 in 1/4 of time 1/10 of the work, in 1/2 of time 4/10 of the work, in 3/4 of time 8/10 of the work xx xx xx xx xx xx" "(3): In any case in which under any clause or clauses of this contract the contractor shall have rendered himself liable to pay compensation amounting to the whole of his security deposit xx xx xx xx or in the case of abandonment of the work owing to serious illness or death of the contractor or any other cause, the Executive Engineer xx xx xx shall have power to adopt any of the following courses: (a) to rescind the contract (of which rescission notice in writing to the contractor under the hand of the Executive Engineer shall be conclusive evidence) and in that case the security deposit of the contractor shall stand forfeited and be absolutely at the disposal of the Government.