ITANAGAR, 18 Sep: Members of the state unit of the Bharatiya Janata Yuva Morcha on Saturday donated blood to mark the 72nd birthday of Prime Minister Narendra Modi. Similar camps were organised in Tezu (Lohit), the TRIHMS (Naharlagun), Aalo (West Siang), Tawang, and Pasighat (East Siang).