ANSWER:

If you follow the rows of the congregational prayer then you will get the reward  in sha Allah. But if you are praying in your room, this is invalid.

When we pray at haram due to crowd we pray outside ..now a days due to ramadan and crowd its very far from the haram but we follow the imam of haram along with other fellow namaz doers…do we get the ajr of praying in the masjid al haram