Ertiga,the dream of lower middle class

I m using ertiga diesel model 2015...it really a family pack... economical.... comfort travel.... It's fuel efficiency... cheaper service....best for long drive.....it's overall my dream car.want to purchase again but only in diesel variant.i request to company please launch only single model in diesel variant so people can avail the benifits of this car in diesel.as other companies are still offering diesel variants in different models.. either it's Hyundai venue..or Kia Carnes..or some other cars