Party Congress

Venue

Dates

Seventh

Calcutta

Oct 31-Nov 07, 1964

Eighth

Cochin

December 23-29, 1968

Ninth

Madurai

June 27-July 2, 1972

Tenth

Jullandar

April 02-08, 1978

Eleventh

Vijayawada

January 26-31, 1982

Twelfth

Calcutta

December 25-29, 1985

Thirteenth

Thiruvananthapuram

Dec 27, 1988-Jan 01, 1989

Fourteenth

Madras

January 03-09, 1992

Fifteenth

Chandigarh

,April 3-8, 1995

Sixteenth

Calcutta

October 5-11, 1998

Seventeenth

Hyderabad

,March 19-24, 2002

Eighteenth

New Delhi

April 6-11, 2005

Nineteenth

Coimbatore

March 29 to April 03, 2008

Twentieth

Kozhikode

April 4-9, 2012

Twenty-First

Visakhapatnam

April 14-19, 2015

Twenty-second

Hyderabad

April 18-22, 2018