No. Redmi Note 6 Pro does not have the front camera LED flash but it's display works as a flash.
Yes, Redmi Note 6 Pro does have the LED notification light.
Yes, Redmi Note 6 Pro does have the IR blaster sensor. You can control many electronic appliances like TV, LCDs, Microwave Ovens, ACs with it.
Yes, Redmi Note 6 Pro does have the portrait mode.
Redmi Note 6 Pro comes with 2A output fast charger in the box.
The Redmi Note 6 Pro has it all - great display, snappy performance, no-nonsense features, excellent battery life, and very good and hassle-free camera experience. And all this is available at an amazingly low price.