in the opening portion, the words "pay to the credit of the Central Government " shall be omitted;

in clause (a), for the words "the tax deducted ", the words "pay to the credit of the Central Government, the tax deducted " shall be substituted;

for clause (b), the following clause shall be substituted, namely:—

'(b) pay tax or ensure payment of tax to the credit of the Central Government, as required by or under—