𝐀𝐮𝐭𝐡𝐨𝐫'𝐬 𝐍𝐨𝐭𝐞

1. Gratitude—Thankyou everyone for taking out time from your busy life and giving it to my book. Since English is not my first language, you may find some grammatical mistakes ahead. Kindly excuse me for that but don't forget to comment it so that I can make the needed correction.