"We are looking at every aspect of call drop. No trick will work in this case," Sinha told PTI in an interview.
A recent report from the Department of Telecom (DoT) had said call drops had come down by seven per cent in three months between December 2016 to March 2017.
The minister was responding to a query on whether the DoT has taken into account the prolonged use of 'radio link timeout', a technology that prevents disconnection of calls even if there is no or weak signal. Usually, in such cases, the customer ends up disconnecting the call without it showing up as a call drop.
The telecom operators had informed the government that they installed more than 1.60 lakh additional BTS or mobile sites across the country between June 15 and December 31, 2016 and another 1.1 lakh additional mobile sites were committed by March 2017.
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As per a report of the Telecom Regulatory Authority of India, all operators have met call drop standard norms in the three months ended June and September.
The DoT has set up an IVRS or automated call system which makes random calls to subscribers to check status of call drops.
Sinha said the IVRS is helping the government in identifying blind spots in areas that do not receive mobile signals or get weak ones.
"The IVRS system makes an average 2600-2700 calls everyday. It is helping us in identifying those blind spots where there are regular call drops and telecom service providers are informed about it. They (telecom operators)are trying to sort it out," Sinha added.
"We have been successful in connecting 91,000 panchayats. In coming 15-20 days, we will meet our target of connecting one lakh panchayats. There was problem of equipment. It was an indigenous technology developed by (state-owned company) C-DOT. Vendors were not available. It took a lot of time in testing," Sinha said.
Now, 50 thousand such equipment have been supplied by Tejas Networks, ITI Ltd and L&T.
"I feel that from next week onwards (optical fibre in) as many as 300 villages per day will be lit. Thereafter, the pace will increase to 400 villages per day. Right now, it is around 100 villages," Sinha said.