Worship: Shiv Do Japa for Shiv and do Abhishekam for HIM. You can also visit a Shiv temple on this day.
Worship: Hanuman Ji and Kaal Bhairav You can listen or chant the Hanuman Chalisa and do offerings for him. For Kaal Bhairav, you can meditate on his form or chant his mantra.
Worship: Ganesh Ji Offer Coconut to Ganesh Ji and pray to him remove all your obstacles.
Worship: Sri Vishnu and His forms Chant the Vishnu Sahasranamam and Meditate on the form of Vishnu. You can also visit the temples of Vishnu Bhagwan.
Worship: Forms of Shakti and especially Maa Kali Do Japa for Maa and offer Her favourite flower to Her.
Worship: Hanuman Ji and Shani Devarajan Offer a Diya and do special rituals to get rid of Shani Dosh. You can simply pray to them with complete surrender and they will help you.
Worship: Sun and Kaal Bhairav Offer water to the Sun during sunrise and sunset. For Kaal Bhairav, meditate on his form and pray to him with complete devotion.