What is Sankshepan (Précis Writing) and its key rules?

Sankshepan (Précis Writing):

• Definition: Summarizing a lengthy passage into a concise, coherent summary retaining only essential facts and core theme.
• Key Rules: 1. Target length ~1/3rd of original word count, 2. Write in Third Person and Indirect Speech, 3. Give a suitable Title, 4. Omit illustrations and decorative quotes.
• Administrative Use: Crucial administrative skill for file noting and official summaries.