Which of the following was ranked top in the JD Power 2015 India Customer Service Index (CSI) study?

Maruthi Suzuki
As per global market research firm JD Power 2015 India Customer Service Index (CSI) study, Maruthi Suzuki India has topped the after-sales customer service satisfaction among mass market brands for a record 16th consecutive year. Maruthi Suzuki with a score of 906, on a scale of 1,000 performs well across all factors with greatest improvements in service initiation followed by service facility. Honda Cars India, with a score of 880 ranked second. Hyundai Motor India and Tata Motors are tied at third position.