What are the most sacred

 worshipping functions or deeds ?

We know in Hindu Almanac the month

has thirty days with two fortnight.

Each fortnight has fifteen days.

The  two fortnights are known as Sukla Paksha

and Krishna Paksha respectively. 

Each Paksha has  the thidhis of Padhyami, Vidiya Tadiya like this.

On the Padhyami thidhi  (the first day of the every fortnight) 

if the lord Sree Maha Vishnu is worshipped

 with the abhishekam of Go Ghrutam

 ( annlointment with the cow’s ghee),

the twenty one generation of that family

 will be sanctified and abode the Vishnulokam.

Those who worship the Brahma Deva with the

  abhishekam of  Go Ksheerama and Go Ghrutam,

they will reach the Brahmalokam (Satyalokam) in a Golden Chariot.

Those who worship with the abhishekam of Sugar cane juice),

 they attain the divine glowing of Suryalokam.

Those who worship the Rudrah, with the

abhishekam of Sandal paste and sandal  water,

 they will reach the Rudralokam with the divine glow.

Those who enchant the Gayatri Maha Mantra

 (Japa) more than hundren times 

with the holy water of Ganges,

and worship the Brahma deva with the

abhishekam , they will attain the Satyalokam.