Step 1: Understanding the question.
The question asks about the dynasty whose rulers used the title "Devputra" (son of God) before their names.
Step 2: Historical context.
The Gupta rulers, especially during the reign of Chandragupta I and Samudragupta, used the title "Devputra" to emphasize their divine lineage.
Step 3: Analysis of the options.
• (A) Gupta: Correct. Gupta rulers, such as Chandragupta I, used the title "Devputra."
• (B) Kushan: Incorrect. The Kushan dynasty did not use the title "Devputra."
• (C) Maurya: Incorrect. While the Mauryan rulers were powerful, they did not use the title "Devputra."
• (D) Satavahana: Incorrect. The Satavahana rulers did not adopt the title "Devputra."
Step 4: Conclusion.
The correct answer is (A) Gupta, as they were known to use the title "Devputra" to signify their divine heritage.
Final Answer: Gupta.