"Under Vodafone Delights bonanza - free 10-minute talk time (will be given) to all customers whose conversation gets interrupted for any reason," Vodafone India said in a statement.
To avail the benefit, customers will have to SMS 'BETTER' on 199 and the 10-minute talk time will be credited, it added.
Customers in the country have been facing the menace of call drops across operators. The government has held meetings with operators and issued instructions to improve the situation.
However, the credit can be availed once during the month long offer period and is applicable only within the same circle on Vodafone to Vodafone calls.
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For prepaid customers, the free minutes will be valid till next day midnight and for postpaid customers, till the end of the billing cycle.
Vodafone's rival, Airtel today launched an unlimited voice-calling for postpaid users for Rs 1,199 onwards.
These announcement come ahead of the impending launch of Reliance Jio's 4G service. Reliance Jio launch is expected to cause a massive disruption in pricing of data and voice-calling services.