The document discusses the importance and purpose of the preamble to the Indian constitution. It notes that the preamble helps clarify the makers, source, and goals of the constitution. Specifically, it establishes that India is a sovereign, socialist, secular, democratic republic that aims to ensure justice, liberty, equality and integrity for all citizens. The preamble also expresses the goals of securing for all citizens justice, equality and dignity. While not technically part of the constitution, the preamble is an important tool for understanding the spirit and objectives of the document according to Supreme Court rulings discussed in the text.