Part 6 of the Indian Constitution dedicated to State Government, In this part, Chapter-III contains a provision about The State Legislature. In this chapter Article 208 to Article 212 is grouped for defining the general procedure of legislation. Where Article 209 provision about regulation by-law to financial business.
Article 209: Regulation by law of procedure in the Legislature of the State in relation to financial business
The Legislature of a State may, for the purpose of the timely completion of financial business, regulate by law the procedure of, and the conduct of business in, the House or Houses of the Legislature of the State in relation to any financial matter or to any Bill for the appropriation of moneys out of the Consolidated Fund of the State, and, if and so far as any provision of any law so made is inconsistent with any rule made by the House or either House of the Legislature of the State under clause (1) of article 208 or with any rule or standing order having effect in relation to the Legislature of the State under clause (2) of that article, such provision shall prevail.
-Text in Constitution