In the Bhagavad-gītā, worship of different demigods or rendering service to them is not approved. It is stated in the Seventh Chapter, twentieth verse: kāmais tais tair hṛta-jñānāḥ prapadyante ’nya-devatāḥ taṁ taṁ niyamam āsthāya prakṛtyā niyatāḥ svayā
