Mutation alone not going to help, that also during the pendency of the suit,
Mutation neither confer nor extinguish any title
. In AIR 1996 SC 2823 the legal effect of Mutation is stated as "Mutation of the property in the revenue record will not extinguish title nor has it any presumptive value on title". The entry in Record of Rights is conclusive proof of the correctness of the entry, it has only presumptive evidentiary value which can be rebutted in the Civil Court.
Also I am quoting observation of a judgement,
"It is well settled that entries in revenue records do not confer title. Title to a property of a person would not be lost merely because his name is not mutated in the revenue registers. So entry showing the name of a person as owner of the property in the column relating to 'owner' does not confer title on him in relation to that property, if he is not really the owner of that property."