thanks balaraj for a2a.
it is till december 2019. but
i have made reasoning for switching to new syllabus rather than sticking to old one and for which you can refer to this link.
https://www.prep.youth4work.com/CS%2cCompany-Secretary/Executive-Test/Forum/22298-new-portion-2018-is-out-is-it-beneficial-for-me-to-convert-to-new-syllabus