If you have few months for IELTS preparation, follow these GOLDEN rules, these are easy and can be incorporated in daily life.
**Read as much as you can-it will boost your vocabulary, your understanding of grammar and tenses.You can read any books, articles, newspapers etc.
**Listen to english podcasts, discussions, speeches, watch english movies.Make use of your smartphone, there is plenty of free material (apps, videos) available on internet.
**Talk in english a lot. To score better, make sure you talk in english with friends, family or to a mirror. This will boost your confidence and prepare you for speaking test.