Who recently launched an application for Grievance Management powered by Artificial Intelligence in New Delhi?

Who recently launched an application for Grievance Management powered by Artificial Intelligence in New Delhi?
A. Hardeep Singh Puri
B. Rajnath Singh
C. Arjun Munda
D. Narendra Singh
Explanation:
Defence Minister Rajnath Singh recently launched a grievance management application powered by artificial intelligence and data science. The application was created by the Ministry of Defence in collaboration with the Indian Institute of Technology Kanpur.