I have working experience of approx 10 years in Travel and Tourism Industry. Seeking change in field and wish to avoid being fresher again.

For the change I have selected Data analyst and data science field for my future. Currently age at 34 years, wish to know ideas on how to secure good salary of approx 10 - 12lpa approx as start. Have company graduation in BCom (Hons) in finance and master in tourism.Past 3 years also running my agency online but deciding to close it due to limited growth and risky proposition. Past 2 months Living in gurgaon and preparing for SQL, Python, etc. I have good knowledge of Excel as well. Please guide me on the best to get a job early and support my family.