Uttarakhand Chief Minister Pushkar Singh Dhami on Friday made several announcements at an event organised to mark the completion of one year of his government and directed officials to implement these by April 15. The announcements include 50 per cent concession in transport corporation buses for candidates appearing in competitive examinations in the state and implementation of computer and information technology education from Class 6 and 'Lab on Wheels' mobile laboratories in all 13 districts among others.