Being a teacher in the education field is a good option and there is a range of options to suits individual needs.
A teacher needs to have the basic core skills related to handling students, a likeable and effective teaching style, good communication skills to handle difficult students and parents. A passion to teach, understand and help underperforming students. You also need to have management skills related to a group of students in a class.
It is an added advantage to have basic counselling skills that help you to identify and if needed handle students in need (stress, behavioural issues, failures etc). Having a positive approach and an excellent command over the language of instruction is a big bonus point for a teacher.
Once you address this, then decide on whether what you expect from a teacher's job and the sector. Do you want an academic career and progress in school level teaching (from a teacher to head class teacher, additional principal, principal) or at a college level teaching (lecturer, assistant professor, professor, department head and dean).
If you are looking for part-time or self-employment, you can be a tutor for tuition groups, coaching centres, online interactive education sites etc.
You need a basic degree and a B.Ed to become a school teacher. Based on your qualifications, you can take the Government exams of PRT, TGT, PGT (primary teacher, trained graduate and postgraduate teacher) exams and also the State equivalent exams.
For a college teacher, you would need a masters degrees, relevant subject knowledge ant the NET exams in that speciality.
Whatever appeals to you, please select the line relevant to your age and the qualifications. Education in India is growing at a rapid pace with good demand for teachers for various competitive exams, graduate/postgraduate courses and even tuitions for children (middle and high school) in the metro cities. Once you start your career, please keep updated, enrolling for further distance education course related to your field so that you are up to speed when it comes to progressing further or taking on a good opportunity for a better post and pay. Also enrol yourself as a teacher for the various charity organisations that help in educating the underprivileged. This can be done if you can set aside few hours a week, it can be in person or an online contribution. This would look good on your CV as a teacher having a passion/desire to teach for a social cause.