MyTVS — my tvs ti3 model tyre inflator not working

Address:

No.17 avvrankattuvalasu valasu, 638104

I purchased my tvs tyre inflator few days later only one time its works properly then the motor is running but tyre pressure not increasing i already informed it to my tvs costumer care they ask me to return it to the sound blaster car accessories shop in erode tamilnadu where i purchased it again my tvs costumer care person contact me and promise me that my tvs will return new one but till now no reply to me.. If i ask the shop they ask to contact my tvs costumer care.. Now who is responsible person for the warranty?