MGS order of Maccaron (placed in February) still not received 😔

I am very disappointed with the status of my order which was placed in February. Despite Maccaron team's assurances and apologies for the delay I am growing increasingly concerned. Maccaron keeps sending the same reply on mails and on Instagram. My order is still stuck in custom clearance and hasn't reached India according to the status shown on Maccaron. Can someone please suggest how should I proceed with this, where shall I complain? TIA