As you are looking for list of Life Insurance Companies registered by Indian Health Organisation (IHO) under IRDA, so I am giving complete list:

Life Insurance Companies registered by Indian Health Organisation (IHO) under IRDA

Aegon Life Insurance Co. Ltd.

Bajaj Allianz Life Insurance Co. Ltd.

Bharti AXA Life Insurance Co. Ltd.

Birla Sun Life Insurance Co. Ltd.

DHFL Pramerica Life Insurance Co. Ltd.

Edelweiss Tokio Life Insurance Co. Ltd

Future Generali India Life Insurance Co. Ltd.

HDFC Standard Life Insurance Co. Ltd.

IDBI Federal Life Insurance Co. Ltd.

IndiaFirst Life Insurance Co. Ltd

Life Insurance Corporation of India

PNB MetLife India Insurance Co. Ltd.

Reliance Life Insurance Co. Ltd.

Shriram Life Insurance Co. Ltd.

Tata AIA Life Insurance Co. Ltd.

Max Life Insurance Co. Ltd.

Sahara India Life Insurance Co. Ltd.

Star Union Dai-Ichi Life Insurance Co. Ltd.

SBI Life Insurance Co. Ltd.

Exide Life Insurance Co. Ltd.

ICICI Prudential Life Insurance Co. Ltd.

Kotak Mahindra Old Mutual Life Insurance Ltd.

Aviva Life Insurance Co. India Ltd.

Canara HSBC Oriental Bank of Commerce Life Insurance Co. Ltd.