Devotion is a feeling of great love and admiration towards someone.

Srimad Bhagvadgita has enumerated nine forms of devotion to god.

1. Shravan (hearing of the Lord's praises and stories)
2. Kirtan (chanting His name, praises and stories)
3. Smaran (fixing one's thought on Him)
4. Padasevana (adoring His feet)
5. Archana (worshiping an image of the Lord)
6. Vandana (making obeisance to Him)
7. Dasya (offering devout service to the Lord)
8. Sakhya (cultivating friendship with Him)
9. Atmanivedana (offering oneself to the Lord)