However, the amount is likely to rise as the officials are yet to take into consideration online donations, amount received by cheques or demand drafts, which will be counted after April 7.
Among the devotees who made their offerings public, Hyderabad-based Parthsarathi Reddy yesterday donated a decorative railing made of 12 kg gold and 16 kg silver, which will be placed around 'samadhi' of Saibaba in the sanctum sanctorum.
Besides, an Agra-based couple donated a 'devghar' (a small structure where deities are kept for worship) made of 67 kg silver.
He said one devotee has donated two donation boxes made of 30-kg silver.
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Ram Navmi is among the three main festivals celebrated in Shirdi; the other two being Vijayadashmi and Guru Purnima.
The three-day Ram Navmi festival was celebrated from April 3 to April 5 this year.
"This year, devotees have donated 12 kgs gold and 100 kgs silver worth around Rs four crore, compared to last year's donation of Rs 2.83 crore including gold, silver and cash," Tambe said.