New Delhi, June 20 -- Best of the Week is a weekly newsletter by Siddharth Sharma/Shravani Sinha. Subscribe to Mint's newsletters to get them directly in your inbox.

India's primary market rarely gets two blockbuster stories in the same week. This week delivered exactly that: the National Stock Exchange (NSE) filed its long-awaited draft prospectus on Wednesday, and Jio Platforms followed on Friday. Together, the two offerings could rewrite the record books of Indian capital markets. Yet despite their shared scale, the IPOs could not be more different in structure, purpose and investor appeal.

Both IPOs now enter Sebi's review process, which typically takes 30-90 days. NSE's path could prove more complex given its regulatory history, an...