OK.
Go shopping.
Look for B660 or B660 M motherboards from maybe MSI or Gigabyte that use DDR 4 RAM.
CPU: Intel 12600, not 12600K.
32 GB RAM kit of two 16 GB sticks. Maybe Corsair or G. Skill. 3200 or 3600 speed.
Power supply; may be difficult in India, but try to find an ATX power supply with at least a 5 year warranty; 550 to 650 watts; semi modular or modular.
Decide once and for all of if you are absolutely locked into that specific Zebronics case. Don't worry about the cooler yet.
Price all of that.
Then worry about cooler and evaluate how much more you can spend. You may need to move down to 12500 or 12400.
You need to find out if integrated graphics can handle 4k video edits. I have no info. Someone here will know.