sir please tell me that how can I set practice rrb alp drive er

Firstly you should know the Syllabus of the RRB ALP exam then according to the syllabus you can start your further practise - So I m going to tell you RRB ALP syllabus - 
Maths - upto 10th class
Reasoning
General knowledge
Technical question (ITI)
General science
Try to practice with previous year question It also help you to understand the RRB paper pattern. Main advantage of solving the last year papers is that you can find your weak and strong field and prepare yourself accordingly.,.