Arrange the following coastal States/UTs in India in decreasing length of their coastline (in km):

(A) Andaman & Nicobar
(B) Tamil Nadu 
(C) Andhra Pradesh
(D) Gujarat

Choose the correct answer from the options given below:

Correct option is A

Introduction
The coastline length of India varies across states and UTs, and when arranged in decreasing order, the correct sequence is A, D, B & C.

The correct order of Indian coastal States/UTs in decreasing length of their coastline is:

1. Andaman & Nicobar (A) - 3.083.50
2. Gujarat (D) - 2,340.62
3. Tamil Nadu (B) - 1.068.69
4. Andhra Pradesh  (C) -  1,053.07

Source: Government of India - Ministry of Ports, Shipping and WaterwaysTransport Research Wing (Dated: 29th April, 2025)​

Information Booster

• Andaman & Nicobar – This Union Territory has the longest coastline among the given options, extending across numerous islands in the Bay of Bengal.
• Gujarat – Among Indian states, Gujarat ranks first in coastline length, due to its highly indented shape and the presence of the Gulf of Kachchh and Gulf of Khambhat.
• Tamil Nadu – Tamil Nadu has a long stretch of eastern coastline along the Bay of Bengal, making it one of the major coastal states of India.
• Andhra Pradesh – Despite a significant coast on the eastern side, it is shorter than Tamil Nadu among the listed options.

Additional Knowledge

• D, A, B & C – Incorrect
  • Gujarat does not exceed the coastline of the Andaman & Nicobar islands.
• D, B, C & A – Incorrect
  • This reverses the correct ranking and places Andaman last, which is factually incorrect.
• B, D, A & C – Incorrect
  • Tamil Nadu does not have a longer coastline than Gujarat or Andaman & Nicobar.