Maruti Suzuki India — sudden break down of engine during emission test

Address:

Bellary, Karnataka, 583201

I have purchased Swift Dzire- VDI version in Apr 2014 from Muneer Cars, Hospet city and adhered to preventive maintenance plan (regular service) given by maruti service team.

Vehicle No-KA35N 3708

On 3rd Feb 2018 during emission test the vehicle was stopped suddenly, the issue has immediately reported to service station located at Hospet city, Karnataka .

Till the date no proper communication /commitment has not made /received from service station on failure of engine and handover date of car after repairing.

Please give clarity on following in written

1.Why the engine has failed after following the instructions properly(Service) ?
2 How the engines fails such a low life(71000 KM Only)

3.What is the guaranteed/warranty life of engine??

With Regards
Raju