Microsoft — Microsoft Lumia 535 mobile given to service centre but they not given after due date

Address:

Patna, Bihar

I purchased a Microsoft Lumia 535 mobile from Amazon. The mobile display out after one month. when I contacted Service Centre at Patna namely Roop Rang Telecom[protected] they kept my mobile and given a job sheet number[protected]/150309/002 dt.09.03.2015 with delivery date on 30.3.2015. Till date they are not delivering my mobile. either in the form of rectified or replacing. This is a complete criminal activities on the part of Microsoft company.Will you help me to get my problem resolve.What is legal action we can take against the above named company.How their business can block in India.Very thankful if suggest, Shwentank Kumar [protected]