Hello Harsha,
Not too much to say about this team as it is quite solid. Much of anything that I could think of has been mentioned previously by other users. Getting right into it, I agree with users, Dragonuser and Jirachi, that your bird should have Superpower to hit things like Tyranitar. Plus, a Focus Blast miss can cost you your bird, and birds are good.
:( I also think that Taunt should the final move on Tornadus-T. Taunt, as you said, can prevent things like Deoxys-D from setting up SR/Spikes. With a large portion of your team lacking recovery, preventing the setting up of entry hazards can be quite helpful for this team. Next, you can use user Choice Band Garchomp over your current chomper set to help put holes in your opponent's defenses. CB chomper is quite the offensive powerhouse and using it on an offensive team such as this is not a bad thing. Chomper can do hefty damage to any physical wall not named Skarmory, so this chomper can help with the Jellicent weakness that you claim as a CB Outrage to a Sp Def Jellicent OHKOs a large percentage of the time and does 65% min to a max HP/Def variant. n_n With this change, your team doesn't have a mon to take a bunch of hits, so I recommend using user Sp Def Jirachi over your current set. A special defensive Jirachi can, obviously, tank special hits better than before and can provide Wish support. Wish can really help members of your team as it can help heal up team members who lack recovery and team members who have taken hazards damage, provided entry hazards are up, get back up to a good range of health.
Great team and good luck! (°ᴥ°)