Bajaj Auto — Breaking of tuning pin

Address:

Ghatal

Dear sir,
I have came here for byke servicing, during byke servicing the mechanic broke the tuning pin of my byke Bajaj Pulsar 150cc, bearing byke no WB34Y9977
The service centre located in
Ghatal
Paschim Medinipur,
West Bengal.
Now the question is
Who will paid for that.