Since final year of my college i am using textbook subscription . My friend suggested me to take textbook. As always for the particular exam we have to spend money for that particular exam. Because textbook provide yearly subscription at a reasonable affordable price i had taken it. There are some pros and cons with the textbook.
Pros:
1: It gives a yearly subscription make you practice for more than one exam at the same cost.
2: Most number of preparing student give textbook test series which make you judge yourself according to the real competition.
3: Variety of question present in the test series
make you to find the solution.
4: Explanation of question explained briefly in the solution.
5: Analysis of the paper given according to the basic level. Even your question are categorised by strong, average, weak level according to the topic and subjects.
6: Previous year paper are the one important area of the exam which all competitor want to do before exam. They have given previous paper for particular paper which help student to judge the upcoming exam paper.
7: Affordable price as compared to other coaching institute giving the test series.
Cons:
1: Level of question in some competitive exam are not according to level that used to come in exam.
2: Late response for the team of textbook if you raise objection for any problem related to question and answer.
That all from my side . I should refer textbook for those student who are preparing for more than one exam in a year.