The body of former Indian president APJ Abdul Kalam has been brought to Delhi from Guwahati in Assam.
The chiefs three services were present at the airport where a guard of honour was held, NDTV reported.
President Pranab Mukherjee and Prime Minister Narendra Modi received the body at the Palam airport.Dr Kalam, 83, collapsed after a massive cardiac arrest while delivering a lecture at the Indian Institute of Management in Shillong on Monday evening.
He was rushed to a nearby hospital where the on-duty doctors declared him dead on arrival.
The Indian government has declared a seven-day national mourning as a mark of respect for the acclaimed scientist.
Dr Kalam's funeral will be held on Wednesday in Rameswaram in Tamil Nadu, where he was born.
