Which is the correct chronological sequence according to the tenure of President of India?
1
Neelam Sanjiva Reddy> Varahagiri Venkatagiri> R. Venkataraman> Fakhruddin Ali Ahmed
2
Fakhruddin Ali Ahmed> Giani Zail Singh> Varahagiri Venkatagiri> Dr Shankar Dayal Sharma
3
R. Venkataraman> Fakhruddin Ali Ahmed> Varahagiri Venkatagiri> Giani Zail Singh
4
Varahagiri Venkata Giri> Fakhruddin Ali Ahmed> Neelam Sanjiva Reddy> Giani Zail Singh