diff --git "a/sources/glyphs/\340\264\276\340\264\202.mp" "b/sources/glyphs/\340\264\276\340\264\202.mp"
new file mode 100644
index 00000000..b48d1571
--- /dev/null
+++ "b/sources/glyphs/\340\264\276\340\264\202.mp"
@@ -0,0 +1,37 @@
+input glyph;
+beginglyph;
+slant_ := tand(-8);
+height_correction :=  thick/4;
+z0=(0, m/2);
+z1=(x0 + mw/3, m - height_correction);
+z2=(x1 + mw/3, y0);
+z3=(x2 - mw/3,  height_correction);
+paths[0] = z0 .. z1.. z2 .. z3 ..  cycle;
+paths[0] := paths[0] xyscaled(1,1) slanted slant_;
+paths[0]:= paths[0] shifted (-slant_*m/2, 0);
+paths[0]:= subpath(.3, 2.9) of paths[0]   ..  {dir 120}(x0, y0 - m/4);
+
+pen_stroke(
+    nib(thinnib)(2)
+    nib(terminalnib rotated terminalangle 0 of paths[0])(0)
+    nib(terminalnib rotated terminalangle infinity of paths[0])(infinity)
+)(paths[0])(strokes[0]);
+
+clearxy;
+z0=(0, (y1+y3)/2);
+z1=((x2+x0)/2, m/2);
+z2=(x0+mw/2.25 , y0);
+z3=(x1, 0);
+z4=(x0, y0);
+
+paths[1] = z0{dir 90}..z1{dir 4}..z2{dir 266}..z3{dir 184}..{dir 90}z0;
+paths[1] := reverse paths[1];
+paths[1] := paths[1] shifted (xpart(point 2 of paths[0]) + 2thick,0);
+
+pen_stroke(
+    nib(thicknib)(1, 3)
+    nib(thinnib)(0, 2, 4)
+)(paths[1])(strokes[1]);
+
+
+endglyph;
diff --git "a/sources/glyphs/\342\227\214.mp" "b/sources/glyphs/\342\227\214.mp"
new file mode 100644
index 00000000..90f24088
--- /dev/null
+++ "b/sources/glyphs/\342\227\214.mp"
@@ -0,0 +1,19 @@
+input glyph;
+beginglyph;
+
+clearxy;
+z0=(0, (y1+y3)/2);
+z1=((x2+x0)/2, m);
+z2=(x0+mw , y0);
+z3=(x1, 0);
+z4=(x0, y0);
+
+path fpath; fpath:= z0{dir 90}..z1{dir 4}..z2{dir 266}..z3{dir 184}..{dir 90}z0;
+soften:=0;
+for j=0 upto 3:
+    paths[j] := subpath(j, j + .5) of fpath;
+    pen_stroke( cut(thinnib, rel 90)(0,1, 2))(paths[j])(strokes[j]);
+endfor;
+
+
+endglyph;
diff --git a/tools/malayalamfont.py b/tools/malayalamfont.py
index c07cb741..8188d147 100644
--- a/tools/malayalamfont.py
+++ b/tools/malayalamfont.py
@@ -268,6 +268,23 @@ def build_cons_ra_substitutions(self):
         routine = Routine(rules=rules, name=name, languages=LANGUAGE_MALAYALAM)
         self.fontFeatures.addFeature(feature, [routine])
 
+    def build_aam_sign(self):
+        """
+        Remove dotted circle from aam sign 'ാം'
+        """
+        feature = "akhn"
+        name = "remove_dotted_circle"
+
+        ligature_glyph_name = SVGGlyph.get_glyph_name("ാം")
+        sub = Substitution(
+            [[SVGGlyph.get_glyph_name("◌")], [SVGGlyph.get_glyph_name("ാ")], [SVGGlyph.get_glyph_name("ം")]],
+            replacement=[[ligature_glyph_name]],
+        )
+        rules = [sub]
+
+        routine = Routine(rules=rules, name=name, languages=LANGUAGE_MALAYALAM)
+        self.fontFeatures.addFeature(feature, [routine])
+
     def build_cons_conj_vowel_signs(self):
         feature = "psts"
         name = "psts_vowel_signs"
@@ -553,6 +570,7 @@ def buildFeatures(self):
         self.build_ra_sign()
         self.build_cons_ra_substitutions()
         self.build_cons_conj_vowel_signs()
+        self.build_aam_sign()
         self.build_kern()
         self.build_gpos()
         self.build_gdef()
diff --git a/tools/svgglyph.py b/tools/svgglyph.py
index 51f1ba2b..f658908f 100644
--- a/tools/svgglyph.py
+++ b/tools/svgglyph.py
@@ -49,6 +49,7 @@
     "dotlessj": 0x0237,
     "jcaron": 0x01F0,
     "notdef": 0,
+    "uni25CC": 0x25CC,
 }
 UV2AGL_EXTRA = {
     0x0326: "commaaccent",