Shad upachar - six upachara

 Shiva Purana vidyeshwar samhita ch.13

अभिषेकादात्मशुद्धिर्गन्धात्पुण्यमवाप्यते आयुस्तृप्तिश्च नैवेद्याद् धूपादर्थमवाप्यते ॥ १६

दीपाञ्ज्ञानमवाप्नोति ताम्बूलाद्भोगमाप्नुयात्। तस्मात्स्नानादिकं षट्कं प्रयत्नेन प्रसाधयेत् ॥ १७

Offering following to deity 

1. Abhisheka, water  bath, atma shuddhi
2. Gandha, sandal scents, punya , fruits of good karma
3. Naivedya, food, ayur and trupti, longevity and satisfaction 
4. Dhoopa, incense, artha, wealth and purpose 
5. Deepa, lamp, gyana , knowledge 
6. Tamboola, betel leaf and nut, bhoga, enjoyments