what to do for website ranking

I have quickly reviewed your site it seems you would need to add the first https on your site as you site is e-commerce site but you didn't put structural data on your site try use http://schema.org/ this in your site that will determine to crawle about your different format of content.
Also, there are following errors that need to be fixed on priority.

Analyze your site by https://gtmetrix.com/ that will help to improve your site speed
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Image is large 178.73kb
http://inkadda.com/image/cache/catalog/creator-2000x700.jpg
Image is large 166.12kb
http://inkadda.com/image/cache/catalog/Artboard 2-2000x700.jpg
Image is large 86.30kb
http://inkadda.com/image/cache/catalog/Artboard 1-2000x700.jpg
Canonical missing, This is important to prevent duplicate content issues.
Alt tag could be more desciptive, currently just 4 in length.jobs
http://inkadda.com/image/cache/catalog/Artboard 1-2000x700.jpg
Alt tag could be more desciptive, currently just 7 in length.creator
http://inkadda.com/image/cache/catalog/creator-2000x700.jpg
Alt tag could be more desciptive, currently just 7 in length.Google+
http://www.inkadda.com/catalog/view/theme/bigshop/image/socialicons/google_plus.png
Alt tag could be more desciptive, currently just 7 in length.Twitter
http://www.inkadda.com/catalog/view/theme/bigshop/image/socialicons/twitter.png
Alt tag could be more desciptive, currently just 8 in length.Facebook
http://www.inkadda.com/catalog/view/theme/bigshop/image/socialicons/facebook.png
Alt tag could be more desciptive, currently just 9 in length.innovator
http://inkadda.com/image/cache/catalog/Artboard 2-2000x700.jpg
Alt tag could be more desciptive, currently just 9 in length.Pinterest
http://www.inkadda.com/catalog/view/theme/bigshop/image/socialicons/pinterest.png
Alt tag could be more desciptive, currently just 14 in length.Flash t shirt
http://inkadda.com/image/cache/catalog/new size-270x270.jpg
Alt tag could be more desciptive, currently just 14 in length.Flash t shirt
http://inkadda.com/image/cache/catalog/new size-270x270.jpg
Alt tag could be more desciptive, currently just 14 in length.Flash t shirt
http://inkadda.com/image/cache/catalog/new size-270x270.jpg
Alt tag could be more desciptive, currently just 14 in length.Flash t shirt
http://inkadda.com/image/cache/catalog/new size-270x250.jpg
Alt tag could be more desciptive, currently just 15 in length.Batman T shirt
http://inkadda.com/image/cache/catalog/Product/1233918-desi-hip-hop-printed-round-neck-270x270.jpg
Alt tag could be more desciptive, currently just 15 in length.Batman T shirt
http://inkadda.com/image/cache/catalog/Product/1233918-desi-hip-hop-printed-round-neck-270x270.jpg
Alt tag could be more desciptive, currently just 15 in length.Batman T shirt
http://inkadda.com/image/cache/catalog/Product/1233918-desi-hip-hop-printed-round-neck-270x250.jpg
Alt tag could be more desciptive, currently just 19 in length.Social media Legend
http://inkadda.com/image/cache/catalog/tiger-lion-font-b-indian-b-font-art-cartoon-collage-font-b-printing-b-font-classic-270x270.jpg
Alt tag could be more desciptive, currently just 19 in length.Social media Legend
http://inkadda.com/image/cache/catalog/tiger-lion-font-b-indian-b-font-art-cartoon-collage-font-b-printing-b-font-classic-270x250.jpg
Try making your H2 tags between 10 and 100 characters in length, current length is 121

 

Google's search engine uses a variety of methods to determine which pages are displayed first in the results. Their exact formula is a secret, but there are always a few things you can do to improve your rank in Google search results. The term for this is Search Engine Optimization or SEO

 

Nowadays nothing seems working ..whether it's blog posting or link building .. On page is working a bit. But carry on your good work and you tend to get benefit after some time in SEO, patience is the key .! Good luck

 

Publish Relevant Content. Quality content is the number one driver of your search engine rankings and there is no substitute for great content. Update Your Content Regularly.