Bhaktha Prahalnadha has explained about the nine ways of Bhakthis 
“Sravanam Keerthanam Vishnoho:
Smaranam Padasevanam,
Archanam Vandanam Dasyam,
Sakhyam Aatma Nivedanam”
1. “Sravanam” – hearing of the Lords Kathas and His Leelas.
2. “Keerthanam” – telling chatting His names, doing Naamasamkeerthanam .
3. “Smaranam” – visiting the temples to worship the Archamoorthies.
4.” Paadasevanam” – doing Kainkaryam to the Lotus feet of the Lord.
5. “Archanam” – doing pooja with flowers to Him.
6.” Vandhanam” – is saying “Namaskaram” folding our hands in front of Him.
7.” Dasyam” – means keep him your “Swami” and you become his “servant”.
8. “Saktyam” – being friendly with Him.
9. “AatmaNivedanam” – means Samarpanam it is a complete surrender to the Lord.