Hi Mr. S K Sengupta,
This is in regards to your query posted on the website CarDekho.com, we would like to inform you that the top end variant of Hyundai Santro Xing is Hyundai Santro Xing AE GLS Audio . This variant has got AC, Power Steering, Power Windows, Central Locking and CD Player (Optional). You can use the given link to view more about Hyundai Santro Xing AE GLS Audio.
You can easily book a Hyundai Santro Xing from there by approaching to the authorized Hyundai dealer through phone or email. All you need to do is, talk to the dealer and arrange the booking amount and you can get the delivery of the vehicle upon your arrival in the country. To get details of the authorized Hyundai dealers in India, Kindly visit the below link: -
There might be two problems regarding this issue in Hyundai Santro Xing. Either there are some dirt particles present in the throttle body of the vehicle or there might be some issue with the sensors. Kindly take your vehicle to the authorized Hyundai service center and get it checked there by a professional mechanic.