NIMHANS points
Historical concepts of psychiatry and psychology (Kraeplin, Bleuler, Kanner etc). See Appendix of Niraj Ahuja.
Important experiments in history: Attachment, Cognitive Psychology, Social Psychology. Skip Zimbardo, look for Piaget's tasks or Attachment observations etc.
Concepts in Developmental Psychology (Wherever you see "stages" be jt Piaget or Erikson, Kohlberg, Vygotsky's Learning concepts)
Concepts in learning theories which have too many differences amongst each other but sound similat. For example, Difference betweer habituation and extinction, differences in schedules of reinforcement.
Clinical Psychology Overview. Where, how, Models of Clinical Psych.
ICD 10 / DSM 5: Depression cardin features, Bipolar Types, Intellectual disability IQ ranges, Personality disorder classification etc. ICD-11 changes in personality disorders and in other categories.
Psychopathology: Go through psychiatry textbooks like Niraj Ahuja, Synosis- Dont go too much into the depth of a particular phenomenon (for now). Look for anything italiscized, boxed for it to be important. Blueler's 4 As of Schizophrenia, Types of Substances, Alcoholism Subtypes etc. Read some Fish. Types of Hallucinations or Delusions. Difference between Neurosis and Psychosis.
Mental Health Law (MCA, RPWD basics)
Basic Neuro concepts like parts and functions of a neuron, blood-brain barrier, main functions of lobes
Personality Theories by Sullivan, Horney, Erikson (imp), Trait Models, Dimensional Models in Personality Disorders too.
Others: Defense Mechanisms, Sampling Design, Degree of Freedom, Central Tendency Measures, Personality Test dimensions: Neo PI, EPQ, MMPI, 16PF, projective/semi-projective.