Delhi Metro's Central Secretariat-Sarita Vihar corridor, that provides connectivity to Jawaharlal Nehru Stadium, will be thrown open to the public tomorrow morning, hours before the start of Commonwealth Games.The 16-km corridor will be inaugurated at 8 AM tomorrow and the first train will leave the Central Secretariat station. Commissioner of Metro Rail Safety R K Kardam, who inspected the line yesterday and this morning, is understood to have given his mandatory clearance for the opening line. The line is crucial as it provides connectivity to Jawaharlal Nehru Stadium, the main venue of the Commonwealth Games.