Hyundai Motor India — Service imcomplete and document not return

Address:

600021

My vehicle TN03 Q 2991 GRAND i 10
was given for serive on 21/4/16 to
Badraa Autos 666.T.H.Road Tondiarpet chennai
S.I No 533
before service dichy was correctly opening and noe the dicky is not opening and service manual book also not returned back
i called Badraa Auto serval time but no response from them.
they said will recitify today, will send staff to rectify or will send driver to pick vehicle and clear the issue, but nothing has been done.
before service they called me lot of time tosend vehicle for service but after service no response.

i request please do the need fullin this matter
thanks
praveen r jain