Under the terms of a peace process, Nepal was supposed to have a draft constitution by 2008.<br /><br />But the Nepalese are still waiting and the deadline runs out this Sunday.<br /><br />Of particular concern in the constitutional debate is the recognition of ethnic identities under the nation's new federal structure.<br /><br />Since its formation in the 18th century, Nepal has been controlled by high-caste Brahmins and Chhetris.<br /><br />Taking to the streets of Kathmandu, members of marginalised communities say the high-caste leaders of the nation have yet to formulate any proposals to address their grievances.<br /><br />Al Jazeera's Subina Shrestha reports from Kathmandu.