The plaintiffs 1 to 3 are the sons of one Ganesa Gounder and the plaintiffs 4 and 5 are the brothers of Ganesa Gounder. One Sundara Murthy Mudaliyar, (the husband of the 1st defendant), Neelakanda Mudaliyar (5th defendant) and Chandrasekara Mudaliyar (husband of the 6th defendant) executed a sale deed in favour of Ganesa Gounder during the year 1988 (Ex.A1) in the presence of witnesses in respect of the suit properties measuring 0.62 1/2 cents in old survey no.234/4 (new survey no.166/4) and 0.70 cents in old survey no.236/4 (new survey no.168/6) of Thiruvakkarai Village, Vanur Taluk, Tindivanam. The sale consideration of Rs.6,500/- was paid by Ganesa Gounder to them on the date of Ex.A1 and he was also put in possession of the suit properties. Ever since the date of purchase, Ganesa Gounder was in possession and enjoyment of the suit properties by paying necessary tax to the Government. After the death of Ganesa Gounder, his sons, the plaintiffs 1 to 3 inherited the suit properties and are also in possession and enjoyment of the same. The sale Deed (Ex.A1) was an unregistered document. While so, the defendants 1 to 5 executed a Power of Attorney, dated 06.02.2008