[Resolved]  Tata Indicom Wireless Phone — regarding cutting outgoing calls line

respected sir,
i have tata indicom wireless landline phone for last 4 years. tata send there collection executive for collection of bill . last month bill was rs 3974/- , due date 8/2/2008. but there executive came on 12/2/08. after 2 days they cut our line saying that you have not paid the bill. then for next two days phone remain cut off. today i.e. on 22.2.08 they have again cut our phone. so, please help me and resolve our problem.