You need to spend at least 13k(GTX 1050Ti) to play latest games so add another 13k to your existing budget 710 is a very weak GPURig to buy ..
Corsair 8GB 2400MAH@4950+
2GB 710 GRAPHICS CARD@2600+
Cab Cooler Master 311@2600+
1TB WD SATA@2700+
SAMSUNG 860 EVO 2.5″ 250GB SATA SSD MZ-76E250BW@4650+
Gst Extra 18%
Should I change cabinet ?CM311 cabinet is a very old model & is not recommended for recent systems.You can get corsair carbide spec 01 for 2995 with free delivery:
You need UPS(or pure sine wave home inverter) not stabilizer of 1kva.
Check in local shops as you may get lower price & better after sales support.