Samskrita Bhasha Deepikai, also known as Samskrita Bhasha Dipika, is a comprehensive textbook on Sanskrit language and literature. The book was originally written by Indian scholars in the early 20th century and has since become a standard reference for students and scholars of Sanskrit. The title "Samskrita Bhasha Deepikai" roughly translates to "A Guide to the Sanskrit Language" or "A Lamp to the Sanskrit Language."

(spoken Sanskrit, grammar study, or exam prep)? Samskrita Bhashaa Deepika Prathama - Sharada Granthalaya

Search for "Samskrita Bhasha Deepikai" on Google Play Books. As of 2021, several updated digital editions were listed. The advantage here is that you can read across devices and copy a limited number of lines for notes.