Where is Passport book number on Indian Passport?
Have you applied for Online Non-Migrant visa application form which is also known as DS-160? And you are looking for an answer for above question.
Well, let me guess. You are not able to locate it on your India Pass port. So the answer of your question is there is no passport book number is on Indian Passport.
You can select Does Not Apply without any doubt or fear.
Passport book number is nothing but Inventory control number. Generally you can locate it on the first page or last page of your book. But to your surprise Indian government does not give you said number on your Passport.
Download copy of your Aadhar card online
So the clear answer is there is no Passport book number on your Passport
There are many countries like India, who is issuing passport without such a number. If you are not from India than location of Inventory control number is vary from country to country.
So don’t worry and fill your Online Non-Migrant visa application (DS-160) and select does not apply on Inventory control number