India’s telecommunication industry is the fastest growing in the world, and among the most progressive telecom markets. With 851.70 million mobile phone subscribers and a network second only to China, India has truly embraced technology. Parallel to this, India also has the most widely distributed postal system in the world, with 155,333 post offices across the country. India also has the highest post office in the world in Hikkim, Himachal Pradesh at a height of 15,500 feet (postal code - 172114).