Dell India — Product is in warranty complete coverage

Address:	New Delhi, Delhi, 110078
Website:	www.dell.co.in

My service request reference number is[protected] and Service tag is 7B7GTS1.
Dell is not resolving my issue although I have paid the heavy insurance charge. And my laptop is still under their coverage policy.
Please help me regarding this.I called dell team several times but they did not respond.sometimes they say this is wrong department.sometimes they put on hold for long time. Very worst service.