Trek Name: Bhrigu Lake Trek
Days: 4
Adventure: Trekking
Base Camp: Gulaba
Season: Spring, Summer, Monsoon, Autumn
Months: April | May | June | July | August | September | October | November
Country: India
Altitude: 13700 FT
Grade: Easy to Moderate
Trail Type: Point-to-point trail | Camping at the same location on the return.
I don't see why it takes four days. You can finish it in a single day, going from Vashist to Vashist.