What is the significance of "allowance" in this context?
In this context, the term "allowance" refers to an additional amount of money that a person was receiving in addition to their salary before the commencement of the Constitution (Seventh Amendment) Act, 1956. The significance of allowance here is that if a Chief Justice who was immediately before the commencement of the act was drawing any amount as allowance in addition to his salary, he would be entitled to receive the same amount of allowance in addition to the salary specified in sub-paragraph (1) of this paragraph after becoming the Chief Justice of a State specified in the First Schedule.