Lenovo — service cente cant do anything about my phone

Address:

New Delhi, Delhi

i submitted my phone in 'TECHNO CARE PVT. LTD [protected] [protected] on dated 3 June 2015 after 26 day passed they are not giving answer regarding my phone and not able to solve my issue bad bad experience when i call they only telling call customer care lenovo and when i call to lenovo they told call service center after doing hundred of calls and dozens of mail to both company and service center no one is giving answer now can any one tell what should i do. devanshu [protected]@yahoo.com [protected]