Here are some links to help you in your spiritual growth.
The Hindu Endowments Board (HEB) is a statutory body set up under the Hindu Endowments Act in 1968. Its role, as set out in the Act, is to administer those endowments placed under its administration.
You can find the exact dates for Hindu festivals and auspcisous dates based on the Pancanga at this link. This is a credible resource published by the Hindu Endowment Board, Singapore.
In this page you can find the 28 temples currently operating in Singapore.
This website features almost all the popular Hindu Scriptures translated to English from Sanskrit. You can find texts such as the Bhagavad Gita, Upanishads, Mantras and Hymns.
Here is a large collection of Sanskrit Hindu literature in many formats.
An excellent portal to find out about all the Yoga classes that are being run in Singapore.