- Jarwa: The Jarwa people, indigenous to the Andaman Islands, traditionally rely on hunting and gathering for their subsistence economy. They are known for their nomadic lifestyle and hunting-gathering practices.
- Toda: The Toda people, native to the Nilgiri Hills in southern India, are primarily pastoralists and are known for their dairy farming, not hunting and gathering.
- Gujjar: The Gujjar community is primarily engaged in animal husbandry, especially herding cattle, and not in a hunting and gathering economy.
- Bakarwal: The Bakarwal people are also pastoralists, engaged in herding goats and sheep, rather than hunting and gathering.
Step 1: Analyzing the subsistence economy.
Among the listed options, only the Jarwa people practice a subsistence economy based on hunting and gathering.
Final Answer:
\[
\boxed{\text{The correct answer is (1) Jarwa.}}
\]