He was assassinated by the Indian Muslim Ilm-ud-Din in 1929 for publishing a book called Rangeela Rasool.
[5] After his demise, his wife and son Vishwanath Malhotra took over the running of the publishing house.
[7] Seven prime ministers and presidents of South Asia have had their works published by Rajpal & Sons, namely A. P. J. Abdul Kalam, Sarvepalli Radhakrishnan, Benazir Bhutto, Narendra Modi, I. K. Gujral, Atal Bihari Vajpayee and P. V. Narasimha Rao.
In the field of classic Hindi literary writing, the works of Harivansh Rai Bachchan, Ramdhari Singh Dinkar, Sachchidananda Vatsyayan, Mahadevi Varma, Amritlal Nagar, Acharya Chatursen Shastri, Vishnu Prabhakar and Kamleshwar have been published by Rajpal & Sons.
Hindi translations of Nobel Prize–winning authors Rabindranath Tagore, Amartya Sen and Patrick Modiano are also on its list of published works.