The fireworks display was initially scheduled to begin at 3am on Wednesday.
The IAS officer was overseeing the preparations for the MG University Arts Festival when she decided to join the students in their fun.
There was a steady increase in the number of visitors after restrictions related to the COVID-19 pandemic were withdrawn and ticket rates slashed.
Attractions at the fest include a wide choice of indoor as well as outdoor plants suitable for home gardens; saplings of very rare fruit-bearing trees and stunningly beautiful flowers.
Roadside Pongala will not be allowed as part of Attukal Temple Festival.
Tuesday's COVID review meeting decided to have full attendance in all educational institutions from month end.
The one-day local holiday was announced in Thiruvananthapuram, Kollam, Pathanamthitta, Idukki, Palakkad and Wayanad districts.
Students who have registered for Attam Pattu, the online youth festival organised by Malayala Manorama in association Jain University, may upload the videos of their performances until December 25.
The tusker named Nedumankavu Manikandan, who was brought for a temple festival reportedly provoked by a feline intruder.
Devaswom Minister K Radhakrishnan said on Friday that the festival will be held by including residents of Kalpathy, who are fully vaccinated.