Cheni, Nov 12: One of the largest and longest search operations for uccounted wealth by the Indian tax officials, going on at the premises of jailed AIADMK leader V.K. Sasikala's kin and their business associates, entered its fourth day on Sunday before being temporarily concluded, said a senior tax official. Sasikala, currently serving her jail sentence for corruption, was a confidante of the late Tamil du Chief Minister J. Jayalalithaa and lived with her for decades.