some interesting facts regarding arunachal pradesh is given below:

• arunachal pradesh has one of the lowest population density in india.
• it is the largest state in north eastern region
• dhola sadiya bridge also referred to as bhupen hazarika setu is one of the longest river bridge in india which connects arunachal pradesh with assam. it is 9.15 kms in length.
• it has more than 26 major tribes and over 100 sub tribes.
• like meghalaya, english is the official language here.
• dong valley known as the ‘land of rising sun’ receives the first sunshine in india.
• with more than 30 languages been spoken here, it is one of the most linguistic state of india
• it has the highest diversity of animals and birds in india
• indian nationals need permits known as inner line permit to visit arunachal pradesh
• tawang monastery is the largest monastery in india
• malinithan, ruins of hindu temple built by chutiya kings dates back to 13^th and 14^th
• parashuram kund in lohit, is believed to wash away all the sins if taken a bath here. as per the belief, lord parashuram, 6^th incarnation of lord vishnu, washed his hands here to get rid of the sin of killing his mother.