Here are the key highlights and reasons for the positive rating of this book:

1. In-Depth Research: Dilip D'Souza's investigative approach and thorough research are evident throughout the book. He meticulously examines the facts of Dr. Sen's case, drawing from court records, interviews, and extensive documentation to present a comprehensive account.

2. Human Rights and Social Justice: The book places Dr. Sen's case in the context of larger issues of human rights, social justice, and the role of activists in addressing systemic inequalities and injustices. It prompts readers to reflect on the challenges faced by those who advocate for marginalized communities.

3. Narrative Style: D'Souza's writing is engaging and empathetic. He combines the storytelling of Dr. Sen's personal journey with a broader exploration of the socio-political climate in India, making the book accessible and compelling.

4. Critical Analysis: The author critically analyzes the legal aspects of Dr. Sen's case, shedding light on the flaws in the justice system and the erosion of civil liberties. He raises important questions about the misuse of anti-terrorism laws and the stifling of dissent.

5. Advocacy for Justice: "The Curious Case of Binayak Sen" is a passionate call for justice. D'Souza advocates for the protection of human rights and the right to dissent, emphasizing their importance in a democratic society.

However, it's worth noting that the book is not without its limitations:

1. Subjectivity: D'Souza's perspective is clearly sympathetic to Dr. Sen's cause, which may lead some readers to perceive the book as one-sided. A more balanced exploration of different viewpoints could have provided a more comprehensive understanding of the case.

2. Complex Legal Details: The legal intricacies of the case can be challenging to follow, and readers who are not familiar with the Indian legal system may find certain sections of the book dense and complex.

In conclusion, "The Curious Case of Binayak Sen" by Dilip D'Souza is a compelling and emotionally charged account of a prominent human rights activist's struggle for justice and the broader implications of his case. It serves as a call to action for those concerned with human rights, civil liberties, and social justice. While the book's subjectivity and legal complexity may be challenging for some readers, its overarching message about the importance of upholding democratic values and defending the rights of marginalized communities makes it a valuable and relevant read in the context of contemporary social and political discourse.