@Shirish ji,
You can take a Combination of GOLDEN SUNRISE+ALPHA MALE SERUM+BRAIN SERUM+STUDY SERUM
You can Also request your VK in your own words.
Please read this guidance for enhanced skills
https://forum.litairian.com/discussion/393/how-to-take-the-energy-of-any-engineering-subject-using-vk#latest
