Hello aspirant,

Here are few good digital marketing institutes in Mumbai with their fees - 

MCTA – Rs 42,000 – Rs 65,000 Approx

FreelancersAcademy – Rs 30,000 – Rs 35,000

Brandsalon– Rs 50,000 Approx

Operating Media – Rs 26,000 Approx

SP Jain – Rs 5,00,000 (5 Lakh Rs)

IIDE – Rs 1,00,000 Approx DMTI Softpro – Rs 25,000 Approx

Learning Catalyst – Rs 35,000 Approx

Lipsindia – Rs 27,000- Rs 30,000

Best of luck.