- Differential Geometry: Manifolds, Bundles and Characteristic Classes (Book I-A)
- Differential Geometry: Riemannian Geometry and Isometric Immersions (Book I-B) (Infosys Science Foundation Series)
- Differential Geometry: Foundations of Cauchy-Riemann and Pseudohermitian Geometry (Book I-C) (Infosys Science Foundation Series)
- Differential Geometry: Advanced Topics in Cauchy-Riemann and Pseudohermitian Geometry (Book I-D)
- Complex Geometry and Mathematical Physics: Classical and Quantum Singularities of Space-Times (Book III-B) (Infosys Science Foundation Series)







