In a statement today, Trai said it's technically possible for the operators to implement the regulation and termed the claim of Rs 54,000 crore per year on account of call drop compensation as "exaggerated".
It put the likely figure at Rs 200 crore per quarter.
"It is observed that the total financial implications on telecom service providers (TSPs) is likely to be not more than Rs 200 crore per quarter, which is less than 1 per cent of the total revenues of TSPs," Trai said.
The Telecom Regulatory Authority of India (Trai) last month mandated that telecom companies from January 1 should compensate users at the rate of Re 1 per dropped call, with a ceiling of three dropped calls per day (or, Rs 3 per day).
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The industry maintains that implementing the regulations would cause a huge financial outgo.
Telecom operators, through their respective associations namely COAI and AUSPI, had said the regulation was an invitation for limitless misuse and gaming of the system and as per estimates, it will lead to a hit of 3 per cent on revenues and 7-8 per cent on mobile Ebitda.
"The Authority notes that such a sweeping presumption about the consumers is certainly not correct," Trai said.
It further added that based on the data of operators, the Authority has conducted a detailed analysis of the call data and call drops data.