
From what we hear, this seems to be a conscious decision made by the makers. Subhash Kapoor, the director and writer of the franchise is apparently of the opinion, that since the case that Jolly LLB 2 will be dealing with is different from the first installment, the lawyer too will be different. Moreover, considering the climax of the prequel, in Jolly LLB, Boman Irani, who played the opposing lawyer, had lost the case to Arshad. Hence, the makers decided to replace him.
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