100% my guess only....
Zee Odisha will follow red colour, very good. But one thing must be noted, currently Zee Sarthak also in red colour. Two same regional channels are in same colour, it never be happened, specially from Zee (Zee Telugu & Zee Cinemalu - both are in different colours, Zee Marathi, Zee Yuva, Zee Talkies all are following variety of colours).
So, I think they are going to oriangify Zee Sarthak logo as like Zee TV, Tamil, Telugu, Kannada etc and also launch it's HD version.:wink: