It became a deemed public company on 28 February 1991 ; and a public company on 7 July 1992 .
On 28 September 1990 , S Kumars was incorporated as a private limited company .
S Kumars became a deemed public company on 28 February 1991 ; and a public company on 7 July 1992 .
On 28 September 1990 , S Kumars was incorporated as a private limited company .