Explanation:

The correct answer is option 'D' - Valabhi. The Jain canonical literature was codified in the 5th century A.D. at Valabhi.

Background:
Jainism is an ancient Indian religion that emphasizes non-violence, truth, and non-attachment. It was founded by Mahavira in the 6th century BCE. The Jain community has a rich tradition of literature, including sacred texts and scriptures. These texts were initially transmitted orally before being recorded in writing.

Codification of Jain Canonical Literature:
The codification of Jain canonical literature took place in the 5th century A.D. in Valabhi, a city located in present-day Gujarat, India. This process was led by the influential Jain scholar and monk, Devardhigani Kshama-shramana.

Significance of the Codification:
The codification of Jain canonical literature was a significant milestone for the Jain community. It involved the compilation and organization of the sacred texts of Jainism, making them more accessible and preserving them for future generations. This codification helped in standardizing the Jain teachings and doctrines.

Valabhi Council:
The codification of Jain canonical literature took place during the reign of the Maitraka dynasty in Valabhi. It is believed that a council of learned Jain scholars was convened under the patronage of the Maitraka king, Dhruvasena II. This council, known as the Valabhi Council, played a crucial role in the codification process.

Outcomes of the Codification:
The codification of Jain canonical literature resulted in the compilation of various important Jain texts, including the 12 Angas (the main texts of Jainism), the 12 Upangas (secondary texts), and the 10 Prakirnakas (miscellaneous texts). These texts form the core of the Jain scriptures and are considered authoritative by Jain scholars and practitioners.

Conclusion:
In conclusion, the Jain canonical literature was codified in the 5th century A.D. at Valabhi. This codification played a significant role in preserving and standardizing the Jain teachings, making them accessible to future generations. The Valabhi Council and the efforts of Devardhigani Kshama-shramana were instrumental in this process.