Bajaj Auto — Name transfer

Hi Team,

Two years back I have exchange my bike in swarnambigai, Mecheri Mettur main road and purchased new bike .I signed in TO also even though bike name is not changed, even I m not having any documents of sold my bike, I contacted show room 5 time but not respons form them.so kindly provide me valid document for this.Even regional managers also not responding properly .

Bike no : TN52V6007