Let's analyze the given question regarding the drawbacks of Information and Communication Technology (ICT) when it comes to communication.

Understanding ICT in Communication

Information and Communication Technology (ICT) involves the use of digital tools to store, retrieve, transmit, and manipulate information. While ICT has revolutionized how we communicate and access information, it also has potential downsides.

Analyzing the Options

We need to identify which option represents a situation where ICT can be less useful or have a drawback concerning communication.

• Option 1: enhance multisensory teaching. ICT tools like videos, simulations, and interactive whiteboards can engage multiple senses, making learning more effective. This is a clear benefit of ICT, not a drawback.
• Option 2: useful for differently abled children and individuals. ICT provides assistive technologies and alternative communication methods that are invaluable for individuals with disabilities, enabling them to communicate and learn. This is also a significant benefit of ICT.
• Option 3: increasing communication gap between child and parent. While ICT facilitates communication in many ways, excessive use of digital devices and online interactions can sometimes reduce face-to-face interaction and quality communication within families, potentially leading to a communication gap between children and parents. This represents a potential drawback of ICT related to personal communication.
• Option 4: can access numerous books digitally. Digital access to books and other resources is a huge advantage provided by ICT, expanding learning opportunities and access to information. This is a benefit.

Identifying the Drawback

Comparing the options, Option 3 is the only one that describes a negative consequence or drawback of ICT concerning communication, specifically within a family context leading to a communication gap. The other options highlight the benefits and utility of ICT.

Therefore, ICT can indeed be less useful in fostering direct, personal communication and can contribute to a communication gap in certain social contexts, such as between a child and a parent, due to excessive reliance on digital interaction over physical interaction.

Conclusion

Based on the analysis, the potential for ICT to increase the communication gap between a child and parent is a recognized drawback.

The option that describes where ICT can be less useful and has its own drawback when it comes to communication is 'increasing communication gap between child and parent'.