Maruti Suzuki — irresponsible

2013 december purchased one erthiga VDI. FIRST TWO SERVICE completed. 3rd service last 7 months not completed. i will called showroom, but no reply, no response, no service, including my vehicle also. pickup person treatly rowdyism by phone. please service my vehicle immediately. i[censored] forget it, i will go to highcourt.(TN03 M 1613) A. MANOHAR [protected] thank you