BlackBerry Playbook — playbook is not in on position after three month in service center

i am umesh kumar paliwal i live in dibiyapur dist auraiya up i bought a playbook from halmark mathura after sometime my playbook 16gb become dead i went to radington media house sanjay palace agra there i gave playbook to mr vijay after three month he said to me that its connecter is deffected so i can not repair it becouse it is not provided by companey so you carry to the companey so i want to ask you that where is companey where my playbook will repair if it is not possible so you tell me my mobile no[protected]