Tithi Nitya Devis: 12-4 Sri Vijaya Nitya Nityadevi Dhyanasloka -

Sri GurubhyO NamaH Sri Parama GurubhyO NamaH Sri ParameShThi GurubhyO Namah

Tithi nitya Devata for Shukla Dwadashi and Krishna Chaturthi is Vijaya Nitya;
Dhyana Sloka:

Panchavaktraam daSabhujaam prativaktraM trilOchanaam
BhaasvanmukuTa vinyaasachaMdralEkhaavirajitaaM

sarvaabharaNa Samyuktaam pItaambarasamujvalaam
udyadbhaasvadviMbatulya dEkaantiM Suchisthitaam

SankhaM paaSam khETa chaapau kalhaaram vaamabahubhiH
chakraM tathaankuSaM khaDgaM saayakaM maatuluMgakaM

dadhaanaaM daKShiNyairhastE prayOgE bhImadarshanaam
upaasanEtisomyaaM cha siMhOparikRutaasanaaM

vyaaghraarUDhaabhi rahitaH SaktibhiH parivaaritaaM
samarE pUjanEnyEShu prayOgEShu sukhaasanaam

SaktayaScaapi pUjaayaam sukhasIna samanitaaH
sarvaadEvyaa samaakaaramukhapaaNyaa yudhaa api

chaturasradvayaM kRutvaa chaturdvaaRopaSObhitaM
SaakhaaAHtakasamOpEtaM tatra praagvatsamaarchayEt

tadaMtavRutayugmaaMtaraShTakONam vidhaaya tu
tadaMtaShca tathaa padmaM ShoDaSacchadasaMyutaM

tathaivaaShTacchadaM padmaM vidhaayaavaahya tatra tam
tattachaktyaa vRutaaM samgupachaaraistathaarchayEt

Vijaya Nitya has five faces and ten hands. She has three eyes in each of the faces She is resplendent with a shining crown adorned with the crescent moon. She has all ornaments and is brilliant in her yellow garments. The lustre of her body is like the disc of the rising sun. She is gently smiling. In her left hands she holds the conch, the noose, the iron club, the bow and the kalhara flower. In her right hands she holds the discus, the goad, the sword, the arrow and the pomegranate. Though she is thought of as terrible-looking, during the devotional worship she is very gentle and seated on a lion. On all sides she is surrounded by her attendant Shaktis riding on tigers. She is seated in a comfortable posture. The saktis too are comfortably seated in the course of worship. All the deities have similar facial features and weapons in their hands.
After drawing two squares with four nice doors and eight pathways.Inside of it, two circles are drawn, within it an octagon is drawn. Inside of it is the mystic lotus of sixteen petals. Then another lotus of eight petals and invoke the deity therein. Vijaya Nitya along with her Shaktis are worshipped
Vijaya Nitya as the name suggests, bestow victory in argument and in the battle.

Links to explanation of remaining 14 Tithi Nithya devis:

1-15 Sri Kameshwari Nityadevi Dhyanasloka