Telegram from General Sir Archibald Wavell, Commander- in-Chief, India, to WSC regarding the latest situation in Burma [later Myanmar] and north-east India: believes that Upper Burma cannot be held for long against determined Japanese attack and lists reasons; suggests it may become necessary to withdraw into China as it is important to keep in touch with Chinese at all costs; states that he is putting everything possible into the defence of north-east India and comments on the vital necessity of strengthening air force.