Source: here.
vighnas may be crushed with the vidhi of the terrible vinAyaka. It is
thus performed.
-The votary makes a haridra biMba of and invokes vinAyaka into it with
the formula:
oM AgachCholkAya avAhanaM kariShyAmi/
-Then sandalwood paste or scent is offered with:
oM gandholkAya gandhaM samarpayAmi /
-Then flowers are offered with:
oM puShpolkAya puShpaM samarpayAmi /
-Then incense sticks are waved with:
oM dhUpolkAya dhUpaM AgrApayAmi /
-The lamp is shown with:
oM dIpolkAya dIpaM darshayAmi /
– bali of a gourd or a pumpkin is offered with:
oM maholkAya baliM samarpayAmi /
The pumpkin is cleaved and the inner surfaces smeared with kuMkuma.
Then karanyAsa is done:
oM mahAkarNAya a~NguShThAbhyAM namaH / oM vidmahe tarjanIbhyAM namaH /
oM vakratuNDAya madhyamAbhyAM namaH /oM dhImahi anAmikAbhyAM namaH / oM
tanno dantiH kaniShThikAbhyAM namaH / oM prachodayAt
karatalakarapR^iShThAbhyAM namaH /
Then a~Nga nyAsa is done:
oM glauM glAM hR^idayAya namaH / oM gAM gIM gUM shirase svAhA/ oM hrUM
hrIM hrIM shikhAyai vaShaT / oM gUM kavachAya huM / oM goM gaiM
netratrayAya vauShaT / oM goM astrAya phaT /
Then the gAyatrI is recited 4 times:
oM mahAkarNAya vidmahe : vakratuNDAya dhImahi : tanno dantiH prachodayAt
Then the fire is lit and at least 8 fire oblations of white or red sesame seeds are made with the formula
oM gaH svAhA //
Then the gaNa oblation is made with the formula:
gaNAya gaNapataye svAhA kUShmANDakAya cha amogholkAyaikadantAya
tripurAntakarUpiNe namaH /
oM shyAmash-cha danta-vikarAlAsyAjipataye vai namaH padma-daMShTrAya
svAhA //
4 such offerings may be done.
Then the gaNesha mudra will be shown.
Then the devotees performs aTTahAsa by dancing, laughing and clapping his hands.
immerse the haridra bimba with:
oM siddholkAya visarjanaM kariShyAmi /