What does Dravidian Martial Arts do in AoE3?

Ships 1 Hindu Villager; Ships 2 Sepoy; Rajput: damage (Melee (cover)) +5%, damage (Melee (defend)) +5%, damage (Melee) +5%. The game says: "All hand attacks do more damage, but especially Rajputs. +1 Villager."

Home City card

Dravidian Martial Arts

Dravidian Martial Arts (tech ID YPHCMeleeDamageIndians) is a Home City card in AoE3: Definitive Edition 100.19.18309, in the decks of 1 civilization, sent from the Colonial Age. Effect: Ships 1 Hindu Villager; Ships 2 Sepoy; Rajput: damage (Melee (cover)) +5%, damage (Melee (defend)) +5%, damage (Melee) +5%. It hands over about 100 resources' worth.

Quick answers (3)

Which civilizations have the Dravidian Martial Arts card?: Indians.
What does Dravidian Martial Arts do in AoE3?: Ships 1 Hindu Villager; Ships 2 Sepoy; Rajput: damage (Melee (cover)) +5%, damage (Melee (defend)) +5%, damage (Melee) +5%. The game says: "All hand attacks do more damage, but especially Rajputs. +1 Villager."
What is the tech ID of Dravidian Martial Arts?: YPHCMeleeDamageIndians.

All hand attacks do more damage, but especially Rajputs. +1 Villager.

What it does

Ships 1 Hindu Villager(unit)
Ships 2 Sepoy(unit)
Rajput: damage (Melee (cover)) +5%, damage (Melee (defend)) +5%, damage (Melee) +5%

1 further effect (interface, visuals or AI) not listed.

What it hands over

1 × Hindu Villager100 each

Total ≈ 100 resources — units at their train cost, crates and animals at what they hold.

Cost: 1
Sent from: II
Times it can be sent: 1
Game ID: YPHCMeleeDamageIndians

In these decks

IndiansII×1

Source: techtreey.xml and the Home City files, AoE3: DE 100.19.18309 (build 25040513).