Viveks India — Split ac installation delayed in chennai

Address:

Rc westminister apartment classic c4 46 kamaraj road kodungaiyur chennai 600118

A Bluestar ac has been bought on Monday and it has been delivered on Tuesday and the engineer came on Friday which they told they will install in 48 hours.
that too ac has not been installed and it will delivering on Saturday[protected] and the engineer went. it has been told by engineer he will be coming at 5pm and he came at 7.30pm and he didn't install the ac.
in company they told there is no installation charges and they bought 750 rupees from us for installation and engineer came here and asking for more 1000 for installation.
For this they should not tell free installation.