Complex sentence: In Vesak Season in Sri Lanka, Electrically lit Vesak pandol called Piliyandala Thorana is erected in front of the Piliyandala Central College most sponsored by donors, religious societies and organized by Vaishakya Pujothsava Kamituwa of Piliyandala.
Split into simpler sentences: In Vesak Season in Sri Lanka, an electrically lit Vesak pandol which is famous as Piliyandala Thorana is erected in front of the Piliyandala Central College. This is sponsored by local donors, religious societies and mainly organized by Vaishakya Pujothsava Kamituwa of Piliyandala.