KATHMANDU: Chairman of the constitutional committee of the CA Nilamber Acharya on Tuesday said the new constitution should not marginalise any group or caste living in the country. Addressing a function organised in the capital by a number of marginalised groups from the Rapti Zone, Acharya said the new constitution should provide justice to all the groups and safeguard their rights. Acharya was also handed over a 50-point demand. Their demands include free education in the mother tongue and right to social security.