However, they should be aware of risks such as the building staying vacant or getting re-leased at lower rates. : Embassy Office Parks, the joint venture between Bengaluru-based Embassy group and US-based private equity fund Blackstone, plans to file the offer document for its real estate investment trust (REIT) soon. With REITs set to become a reality in India in the near future, investors need to understand the pros and cons of this new asset class. REITs offer several advantages to retail investors.