MMT vs Airtel Labs

Asking on behalf of a friend. Hi, I am having 2.8 years of work exp, currently working with Fidelity International, Gurgaon as an Analyst Programmer. My current package is 10lpa. Have 2 offers & will be joining one of these at nearly 3 years experience: 1) Airtel Xlabs - 19lpa fixed + 1lakh bonus 2) Makemytrip - 18lpa fixed (Can be negotiated) Looking for advise on which company to join base d on career growth and learnings. Any advise would be really appreciated