Congress Parliamentary Party Chairperson Sonia Gandhi has expressed concern over the Indo-China border issue. <br />''<br />''In her speech at the CPP meeting this morning, Ms. Gandhi said the whole nation stands with the country's vigilant soldiers who repelled attacks under difficult conditions. She criticised the government for refusing to allow a discussion on the issue in Parliament.<br />''<br />''Meanwhile, opposition parties held a protest in the Parliament House complex, demanding a discussion on the issue in Parliament. Congress President Mallikarjun Kharge, DMK leader T.R. Baalu, Shiv Sena MP Priyanka Chaturvedi, and other opposition leaders joined the protest.