Be active most of the time, and post relevant and interesting content, catching the interest of the audience.
If you are having your own website or blog then insert twitter link button on your webpage, whoever will like your content, will most probably hit the button.
If you are having any YouTube channel then there also you can promote yourself among audience requesting them to follow you.
Promote yourelf on other social media platforms like facebook, google+ etc. Promote your Instagram account on all your marketing materials. This includes your business cards, brochures, signs etc.
your profile is the backbone of your presence on Instagram, and a well-crafted one is key to increasing your followers. After all, who will click the follow button a profile that’s unclear, incomplete, or unappealing?
Your Instagram profile is made up of your name, username, website, and bio.
Name: Up to 30 characters, and included in Instagram search, so you may wish to include a keyword.
Username: Make it consistent with your username on other social channels to make it easy for followers on other platforms to find you on Instagram.
Website: The only place on Instagram where you can include a clickable link (aside from calls to action in ads).
Bio: 150 characters to convey your brand identity and show new visitors why they should follow you.