No. Samsung Galaxy Note 8 does not have CDMA network support.
There is no official announcement from Samsung India yet about the availability of the Deep Sea Blue color.
Yes, Samsung Galaxy Note 8 does have the notification alert light.
Yes, Samsung Galaxy Note 8 does have Qualcomm Quick Charge 3.0 support.
Yes, S-Pen is the part of the in-the-box accessories and you do not require to pay anything extra for it.
The Samsung Galaxy Note 8 is the best big phone you can buy. For once, it’s more than just the size of the screen and the power of the S Pen that count.