Maruti Suzuki India — Engine fail my car at 21000 km

My car engine was fail at 21009 km at fatepur. At 12th may i was given at ktl service station still no response from them after ten days.
We need new engine with guarantee from that days.
Why we will take defective engine.
We need as soon as possible else we will go to consumer court.
Every day i am expending more than two thousand for my traveling in mumbai because of that. Who will pay this amount.
Please look positively and maintain brand image.
Regards
Niraj singh
Mh05ch 129