Chroma — demo and installation - microwave oven

Address:

Flat No S2,Silver Spring Apartments, SV Nagar, Seneerkuppam,, Kolapakkam, Chennai, Tamil Nadu, 600056

Hi, i bought a new microwave oven at anna nagar-chrome, the sales person informed that will be provided with free demo and installation withing 2 days, however, even after 5 days, i have not received any call from the store. I called them many times, but non can give a feedback and resolve my issue. Please escalate or i have to write to grievance redressal about the poor service in the showroom - annanagar-chennai.