Introduction:
The MK Arjunan Master Award is a prestigious recognition presented to individuals who have made significant contributions to the field of music. The award is named after the renowned music director and composer, MK Arjunan Master. In 2021, the first MK Arjunan Master Award was presented to Sreekumaran Thampi.

Background:
MK Arjunan Master was a prominent figure in the Malayalam film industry and composed music for numerous films. He is known for his melodious compositions and his contributions to the field of music. To honor his legacy, the MK Arjunan Master Award was established to recognize individuals who have excelled in the field of music.

Details about the First MK Arjunan Master Award 2021:
The first MK Arjunan Master Award was presented in 2021 to Sreekumaran Thampi. Sreekumaran Thampi is a renowned lyricist and writer in the Malayalam film industry. He has written lyrics for numerous hit songs and has collaborated with various music directors and artists.

Justification for the Answer:
The answer to the question is option 'B' - Sreekumaran Thampi. He was the recipient of the first MK Arjunan Master Award in 2021. Sreekumaran Thampi's contribution to the field of music, particularly through his impactful lyrics, has earned him this prestigious recognition.

Conclusion:
The MK Arjunan Master Award is a significant accolade in the field of music, and it was presented to Sreekumaran Thampi in 2021. His exceptional work as a lyricist and writer in the Malayalam film industry has made him deserving of this honor.