Lakhs of devotees from all over the country and abroad are likely to pay obeisance at gurdwara Fatehgarh Sahib here during the event, officials said.
Jor Mela, a religious affair, has acquired political overtones over the years.
The ruling party in Punjab, at its political conference, uses the occasion to highlight its achievements.
Opposition parties too take the opportunity to flay the government on several issues.
Senior leaders of various political parties have been camping in the historic city for the past few days to oversee preparations.
Fatehgarh Sahib Additional Deputy Commissioner (General) Malwinder Singh Jaggi said the administration has banned dance programmes, circus and gambling during the mela.
Langars (community kitchens) will also be organised during the mela, the officials said.