Congress leader Rahul Gandhi arrived at the Enforcement Directorate (ED) office in Delhi to appear before it in connection with the National Herald case.
He was accompanied by his sister and party leader Priyanka Gandhi Vadra.
The Congress leader surrounded by hundreds of party workers marched to the ED office to appear before the agency from party headquarters.
Delhi Police, however, had denied permission to a Congress rally. The Delhi police cited law and order behind the denial of the permission for the rally.
Police have been deployed outside Rahul Gandhi's residence additional security forces have been also deployed outside the Enforcement Directorate office in the national capital.
Earlier today Congress workers staged a protest holding placards and amidst massive sloganeering in support of Rahul Gandhi. 'Rahul Gandhi zindabad, zindabad' song resonated at Congress party headquarters in the national capital.
Several Congress workers were detained near the party headquarters as they raised slogans against the Central government.