People are coming to mouthshut to take important decisions on their life savings when they want to buy an apartment.  The main purpose of this review is to make sure innocent customers should not get stuck with unprofessional builders like HM.  Let us look at the facts about HM worldcity.  They promised the following amenities when I book my apartment in 2004 and now after 10 years how many of them we got.  You can get this from their own site.
https://hmconstructions.com/hm_worldcity.html
Multiplex  - NOT AVAILABLE
Bowling alley  - NOT AVAILABLE
Sports and video games  - NOT AVAILABLE
Tennis court  - NOT AVAILABLE
Jogging Track - AVAILABLE
Club House  - NOT AVAILABLE
Shopping Mall  - NOT AVAILABLE
Food Court  - NOT AVAILABLE
Banquet hall  - NOT AVAILABLE
Amphitheater  - NOT AVAILABLE
Health Club  - NOT AVAILABLE
Spa and massage  - NOT AVAILABLE
Swimming pool - AVAIABLE IN THE PLACE OF A BIG GARDEN AFTER VIOLATING approved BDA plan.
Toddler's pool - AVAILABLE
Childern's play area - AVAILABLE
Senior Citizen Park etc.  - NOT AVAILABLE
Out of 16 items they promised and we paid our hard earned money back in 2004 we have 3 items after 10 years. Even after 10 years, we do not have Khata, Occupancy certificate, Sewage Treatment Plant, Kaveri water etc.,
Maintenance is pathetic and HM is eager to increase the maintenance charge without any proper account.  We have filed many cases against HM and fighting for our rights.
If you want to go with such a builder, go ahead and book an apartment using your hard earned money.  Otherwise, stay away from them.
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- Thank You! We appreciate your effort.