This writ petition is filed challenging Exts.P1, P3, P4 and P5. Ext.P1 is the demand notice issued by the Kerala State Electricity Board (hereinafter referred to as 'the Board') demanding Rs.17,55,067/- from the petitioner on the ground that there is a short assessment due to application of wrong tariff. Ext.P3 is an order dated 02/12/2010 passed by the Consumer Grievance Redressal Forum (hereinafter referred to as 'the Forum') constituted under the Kerala State Electricity (Consumer Grievance Redressal Forum and Electricity Ombudsman) Regulation, 2005, in a complaint filed by the petitioner against Ext.P1 bill by which the Forum had confirmed the demand. Petitioner preferred an appeal before the State Electricity Ombudsman which resulted in Ext.P4 order dated 14/12/2011 by which the appeal stands rejected. Pursuant to the rejection of the appeal, the Board again demanded the aforesaid amount as per