South IndiaSouth India, also known as Peninsular India, consists of the peninsular southern part of India. It encompasses the Indian states of Andhra Pradesh, Karnataka, Kerala, Tamil Nadu, and Telangana, as well as the union territories of the Andaman and Nicobar Islands, Lakshadweep and Puducherry, comprising 19.31% of India's area () and 20% of India's population. Covering the southern part of the peninsular Deccan Plateau, South India is bounded by the Bay of Bengal in the east, the Arabian Sea in the west and the Indian Ocean in the south.
Sri LankaSri Lanka (UKsri_ˈlæŋkə,ʃriː-, US-_ˈlɑːŋkə; Śrī Laṅkā (ʃriː laŋkaː); Ilaṅkai (ilaŋɡaj)), formerly known as Ceylon and officially the Democratic Socialist Republic of Sri Lanka, is an island country in South Asia. It lies in the Indian Ocean, southwest of the Bay of Bengal, separated from the Indian peninsula by the Gulf of Mannar and the Palk Strait. Sri Lanka shares a maritime border with the Maldives in the south-west and India in the north-west.