Complex sentence: In view of the demise of Technical Director Mr. Bala Subramanian and also Mr. Premchand, who took the charge as Vice-president Operations in the year 20012, Mr. Raghuraj was rendering technical advice.
Split into simpler sentences: In view of the demise of Technical Director Mr. Bala Subramanian and also Mr. Premchand took the charge as Vice-president Operations. Since he had also demised in the year 20012, Mr. Raghuraj was rendering technical advice.