Apparently, in January 1888, in Travancore, Dewan T. Ram Rao and the Maharaja agreed on the formation of a legislative council that was seen as the kernel of precedence that resulted in the legislative creation of modern-day Kerala. From
this link:
Pre-Independence Period (1888-1947)
The seed for a legislative body was sown in Travancore, when in January 1888, the Dewan T.Ram Rao proposed to the Maharaja, the organisation of a Legislative Council so that "the Dewan would gain the benefit of discussing with and taking the opinion of responsible officers associated with him in matters of legislation, one of the most important functions of Government". This proposal was readily approved by Sri Mulam Thirunal Maharaja and a regulation was passed on 30th March, 1888, creating a Legislative Council, of three year tenure, and composed of 8 members of whom 6 were to be officials and 2 non-officials nominated by the Maharaja. The Dewan was to preside over the meetings.