The Chipko Movement, which aimed at protecting forests from deforestation, was started in the Garhwal area of the Himalayas in the 1970s. The local villagers, particularly women, hugged trees to prevent them from being felled, thus the name "Chipko" (meaning "to hug" in Hindi). This movement played a significant role in raising awareness about environmental conservation. Therefore, option (A) is correct.
Step 1: Aravali area of Rajasthan.
The Aravalli region is an important mountain range, but the Chipko movement was not started there. Therefore, option (B) is incorrect.
Step 2: Nilgiri area of South India.
While the Nilgiri hills are important for biodiversity, the Chipko Movement was not initiated in this region. Therefore, option (C) is incorrect.
Step 3: Madhya Pradesh.
Madhya Pradesh is an important state for forest conservation, but it was not the birthplace of the Chipko Movement. Therefore, option (D) is incorrect.
Step 4: Conclusion.
The Chipko Movement began in the Garhwal area of the Himalayas. The correct answer is (A).