Consider the following statements regarding inscriptions as sources of medieval Indian history:

 

1. Inscriptions are one of the most authentic and primary sources of medieval Indian history, providing evidence of political events, conquests, and donations.
2. The Delhi Iron Pillar inscription is associated with Chandragupta II of the Gupta dynasty, and it celebrates his military victories.
3. Epigraphy focuses on the deciphering and analysis of ancient and medieval inscriptions, often engraved on stone or metal.
4. The Hathigumpha inscription is a key source for understanding the conquests and reign of Samudragupta.

Which of the above statements are correct?