diff --git a/scripts/jyotishyamitra_adapter_probe.py b/scripts/jyotishyamitra_adapter_probe.py
index bc8f7fc8..fe8c611d 100644
--- a/scripts/jyotishyamitra_adapter_probe.py
+++ b/scripts/jyotishyamitra_adapter_probe.py
@@ -18,6 +18,7 @@ VERSION = "1.4.0"
 COMMIT = "86f7eb610a66b06b3f0817d2c53355bec8b3bf8d"
 LICENSE = "MIT"
 RETURNVAL = "ASTRODATA_DICTIONARY"
+SIGN_ALIASES = {"Saggitarius": "Sagittarius"}
 
 
 def _sha256_bytes(data: bytes) -> str:
@@ -182,6 +183,20 @@ def extract_fields(raw: dict) -> dict:
     return out
 
 
+def extract_varga_signs(raw: dict) -> dict:
+    out = {}
+    for chart in ("D1", "D2", "D4", "D9", "D10"):
+        planets = (raw.get(chart) or {}).get("planets") or {}
+        signs = {
+            planet: SIGN_ALIASES.get(str(data["sign"]), str(data["sign"]))
+            for planet, data in planets.items()
+            if isinstance(data, dict) and isinstance(data.get("sign"), str) and data["sign"]
+        }
+        if signs:
+            out[chart] = signs
+    return out
+
+
 def compare_with_existing_oracles(jyotishyamitra: dict, local: dict, xalen: dict) -> dict:
     rows = []
     counts = {"local": 0, "xalen": 0}
diff --git a/tests/test_jyotishyamitra_adapter_probe.py b/tests/test_jyotishyamitra_adapter_probe.py
index ed2250ca..61f321af 100644
--- a/tests/test_jyotishyamitra_adapter_probe.py
+++ b/tests/test_jyotishyamitra_adapter_probe.py
@@ -4,6 +4,7 @@ from scripts.jyotishyamitra_adapter_probe import (
     build_report,
     canonical_request,
     compare_with_existing_oracles,
+    extract_varga_signs,
     normalize_raw,
     schema_fingerprint,
 )
@@ -93,3 +94,16 @@ def test_jyotishyamitra_field_comparison_is_observation_not_promotion() -> None:
     assert comparison["match_counts"]["local"] == 1
     assert comparison["match_counts"]["xalen"] == 2
     assert comparison["promotion_allowed"] is False
+
+
+def test_extract_varga_signs_keeps_only_supported_planet_signs() -> None:
+    raw = {
+        "D1": {"planets": {"Sun": {"sign": "Aquarius"}, "Rahu": {"sign": "Saggitarius"}}},
+        "D9": {"planets": {"Moon": {"sign": "Cancer"}, "Mars": {"sign": None}}},
+        "Balas": {"Shadbala": {}},
+    }
+
+    assert extract_varga_signs(raw) == {
+        "D1": {"Sun": "Aquarius", "Rahu": "Sagittarius"},
+        "D9": {"Moon": "Cancer"},
+    }