The role of NCP working presidents appointed by Sharad Pawar, namely Praful Patel and Supriya Sule, can be summarized as follows:

• Assistance to Sharad Pawar: As working presidents, Patel and Sule will assist Sharad Pawar in his duties as party president. They will take up responsibilities to reduce Pawar's workload and help him in making decisions and implementing policies.
• Coordination within the party: Patel and Sule will have the responsibility of ensuring coordination and unity within the party. They must work on improving the party's public image and focussing on party activities.
• Mobilizing party workers: Another essential role of the working presidents is to mobilize party workers and ensure their active participation in party work. They need to provide guidance to the party cadres and keep them motivated through various party campaigns.
• Interacting with the media: Working presidents of political parties need to keep media relations on track. They will be responsible for representing the party's view on various issues and conveying the party's standpoint to the media.
• Strengthening the party: Besides, they are also responsible for strengthening the party structure, identifying potential leaders, encouraging new entrants, etc.

Overall, the NCP working presidents play a crucial role in serving the party, mobilizing party workers to build public support and, when needed, supporting the president to achieve objectives.