(B) Lala Lajpat Rai

"Unhappy India" was written by Lala Lajpat Rai, a prominent Indian author and politician who played a significant role in the Indian independence movement. The book was published in 1928 and addressed various issues and challenges facing India during that time, expressing concerns about the impact of British colonial rule.

(C) Devika Rani

Devika Rani, the renowned actress, was the first woman to receive the Dadasaheb Phalke Award. She was honored with this prestigious award in 1969 for her significant contributions to Indian cinema.

The Dronacharya Award is a prestigious sports coaching honor in India, named after a legendary figure from Indian mythology. It is presented annually by the Ministry of Youth Affairs and Sports to recognize outstanding coaches for their contributions to sports. The award is given in two categories: Regular Dronacharya Award for consistent coaching excellence and Lifetime Achievement Dronacharya Award for individuals with a lifelong dedication to coaching and remarkable results. It serves as a recognition of the crucial role coaches play in nurturing athletes and advancing sports in the country.

(D) The most conspicuous bravery or self-sacrifice on land, air, or sea but not in the presence of the enemy.

The Ashoka Chakra is a peacetime military decoration awarded for acts of the most conspicuous bravery or some daring or pre-eminent act of valor or self-sacrifice on land, at sea, or in the air. It is not specific to actions in the presence of the enemy, distinguishing it from some other military decorations.

The Human Development Report (HDR) is released by the United Nations Development Programme (UNDP). The report is an annual publication that measures and analyzes various aspects of human development, including factors such as life expectancy, education, and income. It aims to provide a comprehensive overview of the state of human development globally and to stimulate dialogue and policy changes to improve human well-being.

The announcement came as a proud moment not only for the 23-year-old Divyakriti but also for her home state of Rajasthan, as she stands as the sole representative from the region to receive the Arjuna Award in the current year.

The Dadasaheb Phalke Award for the year 2019 was conferred upon actor Amitabh Bachchan. Therefore, the correct option is:

(D) Amitabh Bachchan