<P> The Line of Actual Control (LAC) is the effective border between India and the People's Republic of China . It traverses 4,057 km along the Indian states of Jammu and Kashmir, Uttarakhand, Himachal Pradesh, Sikkim and Arunachal Pradesh . The border with Burma (Myanmar) extends up to 1,643 km (1,021 mi) along the southern borders of India's northeastern states viz . Arunachal Pradesh, Nagaland, Manipur and Mizoram . Located amidst the Himalayan range, India's border with Bhutan runs 699 km (434 mi). Sikkim, West Bengal, Assam and Arunachal Pradesh are the States, which share the border with Bhutan . The border with Nepal runs 1,751 km (1,088 mi) along the foothills of the Himalayas in northern India . Uttarakhand, Uttar Pradesh, Bihar, West Bengal and Sikkim are the States, which share the border with Nepal . The Siliguri Corridor, narrowed sharply by the borders of Bhutan, Nepal and Bangladesh, connects peninsular India with the northeastern states . </P> <P> India can be divided into six physiographic regions . They are: </P> <Ul> <Li> Northern Mountains </Li> <Li> Peninsular Plateau </Li> <Li> Indo - Gangetic Plain </Li> <Li> Thar Desert </Li> <Li> Coastal Plains </Li> <Li> Islands </Li> </Ul> <Li> Indo - Gangetic Plain </Li>

What are the main physiographic division of india