In Hindu religion every God needs to be worshiped in distinct way, still there are some basic ways to worship which I'll list now. Going to a temple empty handed is not good, at least pick a flower that is good for worship. Ask the locals around temple about the best flower for the god/goddess inside. Always carry Poojai/ Worshiping material above the waist. Before entering the temple worship the Gopuram or Vimanam, there by your are greeting Devatas in Gopuram! But there will always be a spot inside temple were gopuram is fully visible, do not confuse that with worshiping, interior view gives closer look there by explaining the architectural work of Kings men. Don't step on Vasakal of any entrance, they made above precious metals and stones which are holy. Do ashtanga namaskar(Lay down, 6th pose in Surya Namaskaram) on mark close to Kodimaram / Main pedam / Guarding god outside main hall Look for Bodyguard's statue of the main God around, worship them and
free from spelling and grammatical check, just keepin it human