i have already booked a for aspire 1 5 titanium But due to

i have already booked a for aspire 1.5 titanium. But due to some rumors of service issue form ford side may of my friends are say to go with maruti swift dezire petrol because both have 25kmpl and 22 kmpl
But my boss suggest me to go with petrol engine because likely in next fer years gov will ban all diesel engine from delhi ncr

what should i do now with if i consider
1 ford service
2 diesel engine ban in ncr

i still have 3 options
1 Aspire diesel titanium Ford freestyle and dezire zxi