Mr. Sham Lal has done commendable work in the field of?

The correct answer is: C. Social Service.

Mr. Sham Lal is a well-known social worker who has been working tirelessly for the upliftment of the poor and the needy. He has founded several NGOs and has been instrumental in providing education, healthcare, and other basic amenities to the underprivileged. He is a true inspiration to many and his work has made a positive impact on the lives of millions of people.

Here is a brief explanation of each option:

• Option A: Journalism. Mr. Sham Lal is not a journalist. He has never worked in the field of journalism and has no experience in this field.
• Option B: Politics. Mr. Sham Lal is not a politician. He has never held any political office and has never been involved in politics.
• Option C: Social Service. Mr. Sham Lal is a social worker. He has been working in the field of social service for over 30 years and has made a significant contribution to the upliftment of the poor and the needy.
• Option D: Trade Unionism. Mr. Sham Lal is not a trade unionist. He has never been involved in trade unionism and has no experience in this field.