In Mumbai : 

1. Blue whale Academy, Thane

2. Amity University, Mumbai

3. School of hospitality and tourism studies, D.Y Patil University

4. Thomas cook centre of learning

5. Inspire Academy

6. ITM institute of hotel management (provides BA in international hospitality and tourism management)

In Bangalore :

1. St. Pauls college

2. St. Joseph's college

3. Jain university

4. IFIM college

5. Mount Carmel college

6. Garden city university

Hi Devyani

Here's a list of colleges offering B.A. in travel and tourism

In Mumbai : 

Amity University, Mumbai

Blue whale Academy, Thane

Flatware institute of career education

Inspire academy

Mumbai University

In Bangalore : 

ISBR Business School

ILAM, Bangalore

Christ, Bannerghatta campus

Reva University

Gems B School

Hope this helps!