A suit was filed in S.C.Suit No.493 of 1986 in the Bombay City Civil Court,Bombay by Vicco Laboratories,appellant herein,manufacturers of ayurvedic pharmaceutical products against defendant Nos.1 to 4,respondents herein,for a declaration that the title and format of the suit serial "Yeh Jo Hai Zindagi" exclusively belonged to them and respondents Nos.1 to 4 have no right thereto and for permanent injunction restraining the said respondents from making use of the title or episodes belonging to the petitioners or any episodes hereafter made