I got a helpful answer to my query on Practo. https://www.practo.com/consult/left-ilium-bone-is-looking-small-in-xray-my-ortho-has-diagnosed-loss-of-lumbar-lordosis-on-19-6-26-thereafter-on-30-6/q
Previous two X-rays are enclosed here taken on 19/06/26 and 19/05/26
As per blood test
Calcium was 9.5 on 2/6/26 and 10.05 on 24/6/26
As per USG Abdomen report of 24/6/26 Gall bladder is "partially contracted"