A heartwarming clip in the trailer also shows Vikram Sarabhai being introduced to a bright young scientist from "far away in South India", a smiling young man named APJ Abdul Kalam.
Avul Pakir Jainulabdeen Abdul Kalam, or as the world fondly knew him, APJ Abdul Kalam was the 11th President of India and a scientist par excellence and was derided often for not being 'Muslim enough'.
Twitter users pointed it out that any Indian regardless of his/her political leanings respects Dr Kalam because of his achievements and his contributions to the nation's development.
PM Modi stated that fishermen are benefiting from technology. The NAVIK technology developed by ISRO provides navigation and safety information to fishermen in their own language.