Hello Prasad,
Nice to meet you!
We understand your vision of developing your own online store for selling construction meterials like sand, bricks, cement, & steel, hence placed our proposal for interest.
Firstly, i would like to suggest you that WordPress eCommerce or WooCommerce would be best suitable option for you as it comes with user friendly Back-end admin, and allows you to manage each products also you would have access to all content, product inmages you use for the proposed website.
Payment/Check-out process is also easy-go-smooth with WordPress and you could use any popular Payment gateway API for the payment.
Also WordPress/WooCommerce would comes uo with a wide rand of respective plug-in to opt for to implement functionalities you envision, thus can reach the envision goal faster and in an effective way.
We could deliver you with the live store within 10-12 working days and also it would be an end-to-end process with optimum Quality as having expert PHP/WordPress/eCommerce developers along with us.
Query :
1) Do already have any branding designed such as. Logo along with you ?
2) Do you have any competitor or reference website in mind ?
3) What payment gateway you will opt for to impletment ?
Looking forward to your response to make all your envision "A SUCCESS".
Regards
Srijita