In India, when reimbursing travel expenses for candidates traveling from metro to metro for interviews, it is common practice to cover transportation costs such as airfare or train tickets. Additionally, accommodation expenses for overnight stays may also be reimbursed if necessary. As for setting up a company with around 30 staff and dealing with ESI (Employee State Insurance) and PF (Provident Fund), it is advisable to seek assistance from specialized consultants or firms that offer services in managing these statutory requirements. These specialists can help ensure compliance with the regulations, streamline the process, and alleviate the complexities associated with ESI and PF administration. It is crucial to engage experts who have a deep understanding of Indian labor laws and can provide tailored solutions to meet the specific needs of your organization.