Explanation:

- Saptapadi is the important Hindu wedding ceremony of taking seven steps around the sacred fire.

- It is:

- A ritual: Commonly seen as a ceremonial act.

- A rite: A formal or religious ceremony, especially marking a significant event.

- A custom: A regular practice observed by a group.

- A traditional practice: Passed down generations in Indian marriages.

- All options are generally correct as Saptapadi fits each definition.

- However, the most precise term is a ritual (Option 1), since it directly refers to a specific ceremonial act in the wedding.

Correct Answer:

Option:1, A ritual.