Shaka Saptami (Shakha Sapthami) is observed on Kartik Shukla Saptami (Seventh day of bright half in Kartika Masam). In 2017, Shaka Saptami date is October 27.
This day is also observed as Bhanu Saptami or Surya Saptami.
During Shaka Saptami festival, Goddess lakshmi is worshipped with vegetables and green leaves. This festival dedicated to Goddess Lakshmi is mainly observed in Andhra Pradesh and some parts of Karnataka and Maharashtra.
On Shaka Saptami, Telugu people worship Lakshmi Devi with Shodashopachara Puja and offer vegetables and green leafy vegetables as naivedyam.