To file a complaint against Flipkart, you can: Contact customer care: Call Flipkart’s customer care at 09178510903. Contact the grievance officer: Email the grievance officer at +917851-0903grievance.officer@flipkart.com.To file a complaint against Flipkart, you can: Contact customer care: Call Flipkart’s customer care at 09178510903. Contact the grievance officer: Email the grievance officer at +917851-0903grievance.officer@flipkart.com.