Concept:
- NIFT functions under the Ministry of Textiles, so major NIFT initiatives are typically launched by the Union Minister in charge of Textiles.
- The 'VisioNxt Fashion Forecasting Initiative', along with the bilingual web portal and the trend book 'Paridhi 24x25', is one such NIFT initiative under this ministry.
- Officials like the NIFT Director General or a Secretary may be present at such events, but the person credited with formally launching a ministry-level initiative is the Union Minister himself.
Step 1: Identify which ministry owns this initiative.
Since VisioNxt is a NIFT initiative, it falls under the Ministry of Textiles, so the launch is attributed to that ministry's Union Minister.
Step 2: Match the option to that position.
Among the given names, Shri Giriraj Singh holds the Union Textiles portfolio, making him the one who would formally launch a flagship NIFT initiative like this.
Step 3: Eliminate the other names.
Smt. Rachna Shah and Smt. Protima Sen are administrative/NIFT officials rather than the Union Minister, and Shri Pabitra Margherita holds a different portfolio, so none of them fit the role of 'launcher' of a ministry initiative the way the question frames it.
Final Answer: Shri Giriraj Singh