Right Choice Singapore — no name plates and plot number on plot

Address:

Pune, Maharashtra, 411033

I had purchased a plot in 7 Oaks Phase 2 in March 2015.
Still, there is no Nameplate and plot number in the plot.
It is getting difficult to reselling the plot.

Also, for resale, they are asking 10% handling charges which is too much.
At the time of purchase, it was 2% for helping in selling the plot.

When I call customer care, they ask to send the mail.
I am sending emails, but they are not bothered to reply to any of my mails.