hello,

Specific Book for Dermitology are-

Andrews' Diseases of the skin (Clinical Dermatology)

&,

Illustrated Synopsis of Dermatology & sexually Transmitted Diseases (6TH Edition) By- Neena Khanna

Books for Anesthesia are -

Short textbook of Anesthesia, Ajay Yadav

Orthopedics-

Essential Orthopedics, J. Maheswari

Psychiatry-

The oxford Handbook of Psychiatry, Neeraj Ahuja

Radiology-

Review of Radiology, sumer K Sethi.

These are some of the common & understandable books often read by students of MBBS.

Further you can discuss with your main subject teachers as well as they will suggest you the best of their choice & can be much helpful for you.

Hope you got your Anser.