The second day's play in the second and final Test match between Pakistan and Sri Lanka is underway at Gaddafi Stadium here. Touring Sri Lanka resumed its innings with 317-4 as Sangakkara and Thilan Samaraweera remained at the crease. Kumar Sangakkara and Thilan Samaraweera notched brilliant hundreds to help Sri Lanka recover from early wobbles on the opening day of their second Test against Pakistan here on Sunday.