Concept:
India has a large tribal population with diverse cultures, traditions, and development programmes.
Step 1:
Gonds, Bhils, Santhals, Oraons, Minas, and Mundas are among the major tribal communities of India.
\[
A \text{ is correct}
\]
Step 2:
Not all tribal groups are matrilineal or matrilocal; many tribal societies are patrilineal.
\[
B \text{ is incorrect}
\]
Step 3:
TRIFED (Tribal Cooperative Marketing Development Federation of India) works for tribal welfare and development.
\[
C \text{ is correct}
\]
Step 4:
According to Census 2011, Scheduled Tribes constitute about 8.6% of India's population, not 32.3%.
\[
D \text{ is incorrect}
\]
Step 5:
States such as Maharashtra, Kerala, and Gujarat do have tribal populations.
\[
E \text{ is incorrect}
\]
Step 6:
Thus, the correct statements are:
\[
A \text{ and } C \text{ Only}
\]
\[
\boxed{\text{(2) A and C Only}}
\]