भारताच्या विकासा संदर्भात डॉ. कलाम यांनी स्विकारलेल्या प्रतिमानात खालील घटकांचा समावेश होता.

The correct answer is Option A (Physical, electronic, knowledge and economic connectivities).

Key Points:
• Former President of India Dr. A.P.J. Abdul Kalam propounded the visionary development strategy known as PURA (Provision of Urban Amenities in Rural Areas) in his book *Target 3 Billion*.
• The Four Pillars of Connectivity in PURA:
• 1. Physical Connectivity: Roads, transport networks, power supply, and safe drinking water.
• 2. Electronic Connectivity: Reliable telecommunications, broadbands, and digital infrastructure.
• 3. Knowledge Connectivity: Quality education, vocational training institutions, and healthcare centers.
• 4. Economic Connectivity: Establishing backward-forward market linkages, village enterprises, and agro-industries to ensure self-sustaining rural wealth creation.
• Dr. Kalam conceptualized that physical, electronic, and knowledge connectivities together unlock economic connectivity, transforming rural India into vibrant economic zones.
• Hence, Option 1 accurately describes Dr. Kalam's developmental model.
• Key Takeaway: Dr. Kalam's PURA model is based on four connectivities: Physical, Electronic, Knowledge, and Economic.