The correct answer is: A. Desa Singh Majithai
Desa Singh Majithai was the ruler of Kangra after the death of Raja Sansar Chand in 1823 AD. He was a powerful and influential ruler who helped to consolidate the power of the Kangra kingdom. He was also a patron of the arts and literature.
Anirudh Chand was the son of Raja Sansar Chand. He was a weak and indecisive ruler who was unable to maintain the power of the Kangra kingdom. He was eventually overthrown by Desa Singh Majithai.
Amar Singh Thapa was a Gorkha general who invaded Kangra in 1809. He was able to capture the Kangra fort and take control of the kingdom. However, he was eventually defeated by Desa Singh Majithai and forced to retreat.
Maha Singh Sukerchakia was the father of Maharaja Ranjit Singh. He was a powerful Sikh leader who helped to establish the Sikh Empire. He was not involved in the politics of Kangra.
In conclusion, the correct answer is: A. Desa Singh Majithai.