TikTok isn't available in India, but plenty of Indian creators, agencies and exporters run TikTok accounts for audiences in the Gulf, the US, the UK and South-East Asia. If that's you, these services work the same way as everywhere else.
Choose by refill: no-refill for a base, 30 days for campaigns, 365 days or lifetime for accounts you'll keep. Country-targeted followers (USA, Brazil, Saudi Arabia, Pakistan and more) are available.