The correct answer is (a) Almora.
The Beej Bachao Andolan (Save the Seeds Movement) was started in 1987 in the village of Reni in the Almora district of Uttarakhand. The movement was started by a group of women who were concerned about the loss of traditional seed varieties and the increasing use of hybrid seeds. The movement has been successful in raising awareness about the importance of seed diversity and has helped to conserve many traditional seed varieties.
The other options are incorrect because the Beej Bachao Andolan was not started in those districts.
(b) Pauri Garhwal is a district in the Garhwal region of Uttarakhand. The district is known for its beautiful mountains and forests.
(c) Pithoragarh is a district in the Kumaon region of Uttarakhand. The district is known for its beautiful mountains and temples.
(d) Tehri-Garhwal is a district in the Garhwal region of Uttarakhand. The district is known for its beautiful mountains and rivers.