Yeh to hai. It is classified as a standard bike, though a lot more refined than the competition. It's not a shaska bike like the super sport variety (heavy bikes). As far as sound goes, swapping/modding the exhaust could do the trick.
You said 2012-13 models were being sold in 4-4.25 lakhs. Where did you check to get that price range? Please keep in mind that its cost was 675K when it was introduced here. Suzuki is also offering the Inazuma on installments now.
A member who sold his Inazuma (ussama.ghanchi) stated that the only real problem is lack of its spare parts availability because of which he sold his bike.