New Delhi, Aug 15 (ANI): Congress President Sonia Gandhi hoisted National Flag at All India Congress Committee (AICC) office on the occasion of 68th Independence Day. Sonia unfurled the national flag in the presence of former Prime Minister Manmohan Singh, Vice-President of party and scion of Nehru-Gandhi dynasty, Rahul Gandhi and the party workers. After hoisting the flag, Sonia greeted all party workers and also distributed sweets to the small children.