Sachin got he's name sachin from his Parents ....
Yes, the word Sachin, is a proper noun, a name. A word from Sanskrit, Sachin is the name of "Lord Shiva" or True Symbol. Some examples are Sachin Tendulkar, Sachin Dev Burman, Sachin Puri, Sachin Tandon, Sachin Khedekar, Sachin Bhaumik.
Sachin Tendulkar goes by GOD of Cricket, and Sachin.
Sachin Ramesh Tendulkar
Sachin Tendulkar's birth name is Sachin Ramesh Tendulkar.
Sachin Pandit's birth name is Sachin Vishnu Pandit.
Sachin Ramesh Tendulkar.