Its All In The Planets by Preeti Shenoy in Paperback

 

Meet Aniket, a twenty-seven-year-old techie who has a best friend named Subbu, a fellow coding enthusiast. Aniket's life takes an unexpected turn when he begins dating Trish, a stunning model who seems out of his league. Meanwhile, Nidhi, a thirty-four-year-old, has left her corporate job to pursue her true passion. She is engaged to Manoj, who is seemingly perfect except for one flaw. When Aniket and Nidhi's paths cross on a train, she becomes his "relationship coach", setting into motion a series of events that will have a significant impact on all involved. With one man caught between two women and the fickle nature of destiny, it seems that some things truly are written in the stars.