**Indian Rock Python: The Non-Poisonous Snake Found in India**

The Indian subcontinent is home to a diverse range of snake species, some of which are highly venomous and pose a threat to humans. However, not all snakes in India are poisonous. One such non-poisonous snake found in India is the Indian Rock Python (Python molurus).

**Appearance and Behavior:**
- The Indian Rock Python is a large snake, with adults reaching lengths of up to 20 feet.
- It has a robust body covered in smooth, shiny scales. The coloration can vary, but it is usually a combination of brown, tan, and yellow with darker patches or blotches.
- This species is known for its non-aggressive nature, and it usually tries to avoid confrontation by retreating rather than attacking.
- Indian Rock Pythons are excellent climbers and swimmers, and they can often be found near water bodies or in trees.

**Habitat and Distribution:**
- Indian Rock Pythons are found in various habitats across India, including forests, grasslands, and agricultural areas.
- They are also found in other countries in the Indian subcontinent, such as Nepal, Bangladesh, and Sri Lanka.
- These snakes are adaptable and can survive in both hot and relatively cooler climates.

**Diet:**
- Indian Rock Pythons are constrictors, meaning they coil around their prey and squeeze until it suffocates.
- Their diet consists mainly of mammals, including rodents, deer, monkeys, and even small livestock on occasion.
- These snakes have been known to consume large prey, and they are capable of dislocating their jaws to accommodate their meal.

**Conservation Status:**
- The Indian Rock Python is listed as a species of least concern by the International Union for Conservation of Nature (IUCN).
- However, habitat loss, illegal hunting for their skin and meat, and road accidents pose threats to their populations.

In conclusion, out of the options provided, the Indian Rock Python is the non-poisonous snake found in India. It is a fascinating species that plays an important role in maintaining the balance of ecosystems it inhabits.

The four poisonous snakes found in India are cobra,common krait, russel's viper and saw-scaled viper.