Best HPCL Books to  Crack the Exam 

Objective General English

HPCL English Books

Quantitative Aptitude

HPCL Quantitative Aptitude

Verbal and Non-Verbal Reasoning

HPCL Intellectual Potential

Mechanical Engineering

HPCL Mechanical Engineering

Electrical Engineering

HPCL Electrical Engineering

Objective Instrumentation and Control

HPCL Instrumentation