NIMAS

Since 1993, NIPS and New Media have a strong placement and internship track record. But placement results for B.Sc students at NIPS can differ depending on personal performance, skill set, and market demand. 
Because NIMAS has several campuses throughout India, students in different parts of the country have more options. Furthermore less expensive than NIPS is NIMAS. Both the learning environment and the network of opportunities are superior at NIMAS. In 2019, NIRF ranked NIMAS as the 10th best B.Sc programme in India out of 200. NIMAS was ranked 34th out of all Indian hotel management institutes by IndiaToday in 2018. Thus, NIMAS can be considered better.

Yes, definitely NIPS is more expensive.

NIMAS is a government institution, but NIPS and New Media are private organizations.As a result, NIPS and New Media have much higher tuition fees and overall costs of attendance than NIMAS.Annual fees for Diploma programs at NIPS and New Media can vary from 50,000 to 1 lakh, while degree programs can cost between 1.5-3 lakhs. Conversely, the yearly tuition fees at the government institute NIMAS are reasonably priced at approximately 10,000–15,000.
The cost of living, food, and supplies is significantly cheaper for students residing in NIMAS government hostels.Living expenses are higher because NIPS and New Media are situated in upscale neighborhoods in South Kolkata.

In conclusion, NIPS and New Media may have excellent faculty and facilities, but they are less affordable for many students overall because of their much higher fees and overall costs when compared to NIMAS, a government institute.

Both of these colleges are similar and close competitors of each other. However you can consider these points for concluding one college as the better one.

NIPS and New Media 

• Reputation : NIPS and New Media has good reputation in media and design industry and has better job opportunities
• Curriculum : Compare to NIMAS here NIPS and New Media is focus on practical tools and industry-ready expertise.
• Infrastructure : Both NIPS and New Media has better facilities and better infrastructure in media and design studies.

NIMAS 

• Affordability : In NIMAS fees is littel lower compare to NIPS and New Media.
• Location : NIMAS has multiple campus in whole India, It offers more options for students in various region.
• Large Students Network : NIMAS has very large network opportunities and has better learning environment.

You can check more information on shiksha.com and than made your final decision.