If you want to clean the interior like doors, carpet, dash, meters you can call
CHACHA SCOTTER
one of the eldest in this field..........very good in his work, he will come to your place and he will do the job
and if you want to change the seat covers and doors cloth u can go to I-8 markaz AL-Falah bank parking to ASIM SHEIKH he is having one of the best person in islamabad for POSHISH