Carnatic venu (8-hole flute)
The South Indian classical bamboo flute — also called venu, pullanguzhal, or simply Carnatic / Karnatik flute. It is still side-blown (like bansuri), but the hole count and Sa fingering differ.
Eight finger holes — not seven
People often guess “7 holes.” The usual concert venu has eight finger holes in a straight line, plus the blowing hole (mukha randhra).
- Holes 1–7 — used in normal playing (left 3 fingers + right 4 fingers).
- Hole 8 — farthest from the lips; usually left open. Used for fine tuning and some special / full-hand fingerings.
So: eight holes on the tube; seven in daily use. That is why “7” and “8” both show up in casual talk.
Venu vs bansuri (this room)
| Carnatic venu | Basuri / bansuri (this room) | |
|---|---|---|
| Blow | Side-blown embouchure | Side-blown embouchure |
| Finger holes | Eight in a line | Six (folk) or six + offset pancham |
| Sa | Top two closed | Top three closed |
| Pa (basic) | Top five closed | Often top hole open / five closed (teacher fork) or overblow |
| Music | Carnatic ragas, gamakas | Eastern / Nepali path here |
| End-blown? | No — still transverse | No (see murali for end-blown) |
Hold & hands
Hold horizontally (usually to your right), slightly down, resting on both thumbs — same family as bansuri posture.
- Left hand — first three fingers cover holes 1, 2, 3 (nearest the mouth).
- Right hand — four fingers cover holes 4, 5, 6, 7.
- Hole 8 — leave open unless a chart asks otherwise.
Seal with finger pads, not tips. Stretch is tighter than a 6-hole bansuri of the same length — smaller / higher keys are easier for small hands.
First sound
Embouchure is the same skill family as basuri first sound: place the mouth hole at the lip edge, gentle airstream across the hole, kiss-and-roll until it speaks.
- Open all finger holes (or leave only hole 8’s “open” habit and keep 1–7 free) and find a clear tone.
- Close top two → that is your Sa. Match a drone or Listen.
- Close top five → basic Pa. Check the fifth against Sa.
- Only then add Ri, Ga, Ma with half-holes and teacher charts — Carnatic intonation lives in the cracks.
Beginner swara map (traditional style)
Simplified starting points (hole 8 open). ● = closed, ○ = open. Order = holes 1→8 from the lips.
| Swara | Holes 1–8 (● closed) | Notes |
|---|---|---|
| Sa | ● ● ○ ○ ○ ○ ○ ○ |
Top two closed — tonic |
| Pa | ● ● ● ● ● ○ ○ ○ |
Top five closed |
| Ma (traditional) | ≈ 6½ closed or cross-finger | Often half-hole; “Shashank style” flutes may use six fully closed |
| Ri / Ga / Da / Ni | Half-holes + combinations | Use a teacher chart — gamakas need sliding covers |
Full chromatic / raga charts vary by school (Palladam / Mali lineage, Shashank-style Ma, etc.). Treat the table above as orientation, not concert gospel.
Practice idea: long tones on Sa and Pa with a drone, then slow Sa–Ri–Ga–Ma–Pa ascending with a printed fingering chart beside you.
Make a venu
Use the flute layout calculator → mode Carnatic venu (8 finger holes).
- Classic concert size is often near ~14″ long with a modest bore (~¾″ outer class).
- Eight holes in one line (no offset pancham like Eastern 7th).
- Tune Sa (two closed) and Pa (five closed) first; enlarge holes gradually.
- Hole 8: drill, then leave mostly open — adjust size for overall pitch balance.