The question asks to identify the name of the southernmost tip of India. This involves understanding India's geography and distinguishing between its extreme points.
India, being a large country, has several extreme geographical points: northernmost, southernmost, easternmost, and westernmost. The "southernmost tip of India" specifically refers to the extreme southern point of the entire Indian territory, including its islands.
Let's look at the given options:
Comparing the options, Indira Point is situated at approximately 6.7 degrees North latitude, making it geographically further south than Point Calimere (which is on the mainland). Therefore, Indira Point is recognized as the true southernmost tip of the Indian Union.
A table summarizing the points:
| Geographical Point | Location | Description |
| Indira Col | Karakoram Range, Ladakh | Northernmost Point |
| Indira Point | Great Nicobar Island, Andaman & Nicobar | Southernmost Point |
| Point Calimere (Cape Comorin) | Kanyakumari, Tamil Nadu | Southernmost Point of Mainland India |
| Karakoram | Northern India/Central Asia | Major Mountain Range |
Based on this analysis, the name of the Southernmost tip of India is Indira Point.
India's total land boundary length is approximately: