You can't afford to be off-putting in any possible manner.
The climatic conditions of Indian subcontinent are extremely challenging, therby making personal hygeine utmost important.
Taking daily shower is not enough.
It is important to remain fresh throughout the day especially when you have to commute lond distances in local trains and buses.
Use deodorant immediately after bath on your body and not on the clothes.
Use a mild but long lasting fragrance.
There is no need to go for the high end brands.
BE PLEASING TO ALL THE SENSES