This brown, oval pill imprinted with IG 270 is a quinapril (as quinapril hydrochloride) 40 MG Oral Tablet, per the NIH.
Quinapril is a human prescription drug. The active pharmaceutical ingredient is quinapril hydrochloride and is classified as, "Angiotensin Converting Enzyme Inhibitor [EPC], Angiotensin-converting Enzyme Inhibitors [MoA]."
This pill is made by Dr.Reddy's Laboratories Limited
There are 4 other brown pills that with a similar imprint: "IG 270". They may be a different dosage of the same drug or a different drug entirely.