The correct answer is option 'C', i.e., the Indian Cybercrime Coordination Centre (I4C) functions under the Ministry of Home Affairs.

The Indian Cybercrime Coordination Centre (I4C) is a specialized agency established by the Ministry of Home Affairs to combat cybercrime in India. It operates under the aegis of the Ministry's Cyber and Information Security Division.

I4C plays a crucial role in coordinating efforts related to the prevention, detection, and investigation of cybercrimes in the country. It serves as a central hub for all cybercrime-related activities and works in close collaboration with various law enforcement agencies, government departments, and other stakeholders involved in cybersecurity.

The functions of I4C can be broadly categorized into the following areas:

1. Coordination: I4C acts as the central coordinating agency for all cybercrime-related activities. It facilitates coordination among various stakeholders to ensure effective implementation of cybercrime prevention and investigation strategies. This includes cooperation with state police forces, central agencies like the Central Bureau of Investigation (CBI), National Investigation Agency (NIA), and other international organizations.

2. Capacity Building: I4C is responsible for enhancing the capacity and capability of law enforcement agencies to handle cybercrime cases. It conducts training programs, workshops, and seminars to train law enforcement personnel in cybercrime investigation techniques, digital forensics, and other relevant areas. This helps in equipping the law enforcement agencies with the necessary skills and knowledge to tackle the ever-evolving challenges of cybercrime.

3. Cybercrime Reporting Portal: I4C operates a dedicated online portal for reporting cybercrimes. This portal provides a user-friendly interface for individuals and organizations to report cyber incidents, such as online frauds, hacking, data breaches, and other cyber offenses. The reported incidents are then analyzed and disseminated to the concerned agencies for further action.

4. Cybercrime Prevention: I4C works towards developing strategies and policies for preventing cybercrimes. It collaborates with various stakeholders to raise awareness about cyber threats, safe internet practices, and cybersecurity measures. This includes organizing awareness campaigns, disseminating informative materials, and promoting the adoption of best practices in cybersecurity.

In conclusion, the Indian Cybercrime Coordination Centre (I4C) functions under the Ministry of Home Affairs and plays a crucial role in coordinating efforts to prevent, detect, and investigate cybercrimes in India. It serves as a central hub for all cybercrime-related activities and works towards enhancing the capacity of law enforcement agencies, promoting cybercrime prevention measures, and facilitating coordination among various stakeholders involved in cybersecurity.