Ht Learning Centers Limited · Paxton Trexim Private Limited · Ht Interactive Media Properties Limited · Ht Digital Media Holdings Limited · Earthstone Investment & Finance Limited · Nbk Fitness Centre Private Limited · Shine Book Treasure Foundation · Cm Airtime Promotion Llp · Hindustan Earthstone Llp · Diligent Services Private Limited · Ht Education Limited · Ht Music And Entertainment Company Limited · The Birla Cotton Spinning And Weaving Mills Limited.