The 'safe harbour' clause under the Information Technology Act, 2000 (IT Act), particularly Section 79, is a cornerstone of internet governance in India. Its relevance and the ongoing debate about intermediary liability for third-party content are critical for understanding the digital ecosystem.

Relevance of the 'Safe Harbour' Clause (Section 79 of the IT Act, 2000):

1. Definition of Intermediary: An 'intermediary' under the IT Act is broadly defined to include any person who on behalf of another person receives, stores, or transmits that record or provides any service with respect to that record. This encompasses a wide range of entities like Internet Service Providers (ISPs), web hosting providers, search engines, online marketplaces, social media platforms, telecom service providers, and more.
2. Purpose of Safe Harbour: Section 79 provides a 'safe harbour' or exemption from liability for intermediaries in certain circumstances. Its primary objective is to foster the growth of the internet and digital services by protecting intermediaries from being held liable for third-party content over which they have no control or knowledge. Without such protection, intermediaries would face immense legal risks, potentially stifling innovation, free speech, and the very existence of platforms that rely on user-generated content.
3. Conditions for Exemption: An intermediary is exempt from liability for any third-party information, data, or communication link hosted or transmitted by them, provided they:
   • Do not initiate the transmission.
   • Do not select the receiver of the transmission.
   • Do not select or modify the information contained in the transmission.
   • Observe 'due diligence' while discharging their duties under the Act and other rules/regulations.
   • Upon receiving 'actual knowledge' or being notified by the appropriate government or its agency, expeditiously remove or disable access to unlawful content.
4. Significance: This clause is crucial for the functioning of the internet as we know it. It recognizes that intermediaries are often mere conduits or platforms and cannot be expected to pre-screen or monitor all content uploaded by billions of users. It strikes a balance between protecting intermediaries and ensuring that unlawful content is removed once brought to their notice.

Need to Make Intermediaries Liable for Transmitting Third-Party Posts and Communications: While the safe harbour is essential, there's a growing global debate about the extent of intermediary liability, especially with the proliferation of harmful, illegal, and defamatory content online. The arguments for increased liability stem from several factors:

1. Scale and Impact: Modern intermediaries, particularly social media platforms, are no longer mere passive conduits. Their algorithms often amplify certain content, and their business models are built on user-generated content. They have become powerful publishers, reaching billions, and thus, their responsibility should reflect this influence.
2. Failure of Due Diligence: Critics argue that many intermediaries do not exercise sufficient 'due diligence' or have inadequate mechanisms to identify and remove harmful content, even after being notified. The 'notice and takedown' mechanism is often criticized for being slow or ineffective.
3. Harm to Individuals and Society: The unchecked spread of illegal content (e.g., hate speech, misinformation, child sexual abuse material, incitement to violence, defamation, privacy violations) can cause significant harm to individuals and society, leading to communal disharmony, public order issues, and even electoral interference.
4. Technological Capability: Intermediaries possess advanced Artificial Intelligence (AI) and content moderation tools. Proponents of increased liability argue that these technologies should be mandated to be deployed more effectively for proactive content moderation, especially for egregious violations.
5. Global Trends: Many jurisdictions worldwide are moving towards stricter intermediary liability regimes, particularly for specific types of harmful content, recognizing the evolving role of these platforms.

Arguments Against Increased Liability (or for maintaining safe harbour):

1. Censorship Concerns: Holding intermediaries strictly liable could lead to 'over-censorship,' where platforms err on the side of caution and remove legitimate content to avoid legal repercussions, thereby stifling free speech and expression.
2. Feasibility: Monitoring billions of pieces of content uploaded daily is an impossible task, even with AI. Human moderation is resource-intensive, prone to errors, and raises ethical concerns.
3. Innovation: Excessive liability could stifle innovation and the growth of new online services, as startups might not have the resources to comply with stringent moderation requirements.
4. Defining 'Unlawful': What constitutes 'unlawful' content can be subjective and vary across jurisdictions, making it difficult for global platforms to comply consistently.

Current Scenario and Way Forward: In India, the Information Technology (Intermediary Guidelines and Digital Media Ethics Code) Rules, 2021, have been introduced, imposing greater obligations on intermediaries, especially 'significant social media intermediaries.' These rules mandate grievance redressal mechanisms, proactive monitoring for certain content, and assistance to law enforcement. The debate is ongoing, seeking a delicate balance between protecting free speech, fostering innovation, and ensuring accountability for harmful content. The trend is towards conditional liability, where intermediaries are expected to play a more active role in content moderation, especially for egregious violations, while still retaining some protection for passive hosting.