In the ever-evolving landscape of the stock market, staying informed about Initial Public Offers (IPOs) is crucial. Today marks the opening of four significant IPOs - Tata Technologies, Fedbank Financial Services, Flair Writing Industries, and Gandhar Oil Refinery.With all of them set to close on November 24, investors are eager to understand whether they should subscribe. Lets delve into the details.These IPOs offer a diverse range of opportunities across different sectors. From technology to finance, writing industries, and oil refinery, each presents a unique proposition for investors. To make informed decisions, understanding the specifics of each IPO is vital.Tata Technologies IPOTata Technologies kicks off its IPO with a public offer of Rs 3,042.51 crore, entirely through an offer-for-sale of 6.08 crore shares. Notably, there is no fresh issue component, meaning Tata Technologies wont receive any funds from this IPO.The price band is set at Rs 475-500 per share, valuing the company at Rs 20,283 crore.Fedbank Financial Services IPOThe non-banking financial company (NBFC) Fedbank Financial Services aims to raise Rs 1,092.26 crore through its IPO. The price band for the offer is Rs 133-140 per share. This comprises a fresh issuance of 4.29 crore shares worth Rs 600.77 crore and an offer-for-sale (OFS) of 3.51 crore equity shares worth Rs 492.26 crore at the upper price band. Investors keen on the financial sector should carefully consider this opportunity.Flair Writing Industries IPOFor those eyeing the writing industries, the Flair IPO is worth exploring. With a total value of Rs 593 crore, it consists of a fresh issue of 96.05 lakh shares and an offer-for-sale of 99.01 lakh shares. The price band is fixed at Rs 288-304 a share. This IPO provides an interesting investment avenue in a unique sector.Gandhar Oil Refinery IPOGandhar Oil Refinery, a white oil manufacturer, plans to raise Rs 500.69 crore via its IPO. The offer includes a fresh issue of 1.78 crore shares and an offer-for-sale of 1.17 crore shares, with a price band of Rs 160-169 per share. Understanding the dynamics of the oil industry is crucial for investors considering this IPO.Nonetheless, the IPO market is buzzing with activity, and these four offerings present intriguing prospects. Tata Technologies, with its unique offer-for-sale structure, stands out alongside opportunities in the financial, writing, and oil industries. However, as with any investment decision, thorough research and consideration of individual risk appetites are crucial. Investors should evaluate each IPO against their financial goals and risk tolerance before subscribing.