I bought one agri.land in Tamil nadu with proper sale deed registered in 2004. My mother made an unregistered sale agreement from the same land owner for the same land in 2003 with one year time limit. My sale deed executed with in the time of one year of my mother’s agreement time limit. The details of my mother’s agreement has not been mentioned in my sale deed.It is mentioned in the agreement that it have no validity after one year. Is the unregistered sale agreement with one year time will have validity still? Now my mother is opposing my rights in that land. Please give your valuable advice.