Dharna staged against reclamation of lake 27th March 2012 05:03 AM THIRUVANANTHAPURAM : Protesting against the large-scale reclamation of Vellayani backwaters by the resorts and real-estate mafia , a Secretariat dharna was staged under the joint aegis of the Kalanilayam Paristhithi Vedi , environmentalists and cultural activists here on Monday .