parties to the preliminary decree, are estopped from taking any contention at the stage of final decree, which was not raised in the suit

P.Lakshmanian and another vs. P.Jeyalakshmi and others 

2014 (2) CTC 630 

wherein also it is held that the defendants, who are parties to the preliminary decree, are estopped from taking any contention at the stage of final decree, which was not raised in the suit