The Congress has called a meeting of its legislature party in Rajasthan at Chief Minister Ashok Gehlot’s Jaipur residence at 7 pm on Sunday, amid the leadership change buzz following the announcement that he will contest the party president poll. Congress president Sonia Gandhi has appointed Mallikarjun Kharge as an observer along with general secretary in-charge Rajasthan Ajay Maken. They will attend the meeting of the Congress Legislature…