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New Delhi: School-going children are picking up drug and smoking habits and engaging in consumption of alcohol, with the average age of introduction to such harmful substances found to be around 13 years, suggesting a need for earlier interventions as early as primary school, a multi-city survey by AIIMS-Delhi said.

The findings also showed substance use increased in higher grades, with grade XI/XII students two times more likely to report use of substances when compared with grade VIII students. This emphasised the importance of continued prevention and intervention through middle and high school.

The study led by Dr Anju Dhawan of AIIMS's National Drug Dependence Treatment Centre, published in the National Medical Journal of India this month, looks at adolescent substance use across diverse regions.

The survey included 5,920 students from classes 8, 9, 11 and 12 in urban government, private and rural schools across 10 cities -- Bengaluru, Chandigarh, Delhi, Dibrugarh, Hyderabad, Imphal, Jammu, Lucknow, Mumbai, and Ranchi. The data were collected between May 2018 and June 2019.

The average age of initiation for any substance was 12.9 (2.8) years. It was lowest for inhalants (11.3 years) followed by heroin (12.3 years) and opioid pharmaceuticals (without prescription; 12.5 years).

Overall, 15.1 per cent of participants reported lifetime use, 10.3 per cent reported past year use, and 7.2 per cent reported use in the past month of any substance, the study found.

The most common substances used in the past year, after tobacco (4 per cent) and alcohol (3.8 per cent), were opioids (2.8 per cent), followed by cannabis (2 per cent) and inhalants (1.9 per cent). Use of non-prescribed pharmaceutical opioids was most common among opioid users (90.2 per cent).

On being asked, 'Do you think this substance is easily available for a person of your age' separately for each substance category, nearly half the students (46.3 per cent) endorsed that tobacco products and more than one-third of the students (36.5 per cent) agreed that a person of their age can easily procure alcohol products.

Similarly, for Bhang (21.9 per cent), ganja/charas (16.1 per cent), inhalants (15.2 per cent), sedatives (13.7 per cent), opium and heroin (10 per cent each), the students endorsed that these can be easily procured.

About 95 per cent of the children, irrespective of their grade, agreed with the statement that 'drug use is harmful'.

The rates of substance use (any) among boys were significantly higher than those of girls for substance use (ever), use in the past year and use in the past 30 days. Compared to grade VIII students, grade IX students were more likely, and grade XI/XII students were twice as likely to have used any substance (ever).

The likelihood of past-year use of any substance was also higher for grade IX students and for grade XI/XII students as compared to grade VIII students.

About 40 per cent of students mentioned that they had a family member who used tobacco or alcohol each. The use of cannabis (any product) and opioid (any product) by a family member was reported by 8.2 per cent and 3.9 per cent of students, respectively, while the use of other substances, such as inhalants/sedatives by family was 2-3 per cent, the study found.

A relatively smaller percentage of students reported use of tobacco or alcohol among peers as compared to among family members, while a higher percentage reported inhalants, sedatives, cannabis or opioid use among peers.

Children using substances (past year) compared to non-users reported significantly higher any substance use by their family members and peers.

There were 25.7 per cent students who replied 'yes' to the question 'conflicts/fights often occur in your family'. Most students also replied affirmatively to 'family members are aware of how their time is being spent' and 'damily members are aware of with whom they spend their time'.

New Delhi, Dec 5: IndiGo CEO Pieter Elbers issued a public apology this evening after more than a thousand flights were cancelled today, making it the "most severely impacted day" in terms of cancellations. The biggest airline of the country cancelled "more than half" of its daily number of flights on Friday, said Elbers. He also said that even though the crisis will persist on Saturday, the airline anticipates fewer than 1,000 flight cancellations.

"Full normalisation is expected between December 10 and 15, though IndiGo cautions that recovery will take time due to the scale of operations," the IndiGo CEO said. 

IndiGo operates around 2,300 domestic and international flights daily.

Pieter Elbers, while apologising for the major inconvenience due to delays and cancellations, said the situation is a result of various causes.

The crisis at IndiGo stems from new regulations that boost pilots' weekly rest requirements by 12 hours to 48 and allow only two night-time landings per week, down from six. IndiGo has attributed the mass cancellations to "misjudgment and planning gaps".

Elbers also listed three lines of action that the airline will adopt to address the issue.

"Firstly, customer communication and addressing your needs, for this, messages have been sent on social media. And just now, a more detailed communication with information, refunds, cancellations and other customer support measures was sent," he said.

The airline has also stepped up its call centre capacity.

"Secondly, due to yesterday's situation, we had customers stranded mostly at the nation's largest airports. Our focus was for all of them to be able to travel today itself, which will be achieved. For this, we also ask customers whose flights are cancelled not to come to the airports as notifications are sent," the CEO said.

"Thirdly, cancellations were made for today to align our crew and planes to be where they need to start tomorrow morning afresh. Earlier measures of the last few days, regrettable, have proven not to be enough, but we have decided today to reboot all our systems and schedules, resulting in the highest numbers of cancellations so far, but imperative for progressive improvements starting from tomorrow," he added.

As airports witnessed chaotic scenes, the Directorate General of Civil Aviation (DGCA) stepped in to grant IndiGo a temporary exemption from stricter night duty rules for pilots. It also allowed substitution of leaves with a weekly rest period. 

Civil Aviation Minister Ram Mohan Naidu has said a high-level inquiry will be ordered and accountability will be fixed.

At least seven elephants were killed and one calf injured after a herd collided with the Sairang-New Delhi Rajdhani Express in Assam's Hojai on Saturday morning, leading to disruption of rail services. 

The Sairang-New Delhi Rajdhani Express struck a herd of elephants, resulting in the derailment of the locomotive and five coaches. No passenger casualties or injuries were reported, officials said.

The New Delhi-bound train met with the accident around 2.17 am, PTI reported. The Sairang-New Delhi Rajdhani Express connects Mizoram's Sairang (near Aizawl) to Anand Vihar Terminal (Delhi). 

Railway has issued helpline numbers at the Guwahati Railway Station:-

•    0361-2731621
•    0361-2731622
•    0361-2731623

The accident site is located about 126 km from Guwahati. Following the incident, accident relief trains and railway officials rushed to the spot to initiate rescue operations.

Train Services Disrupted

Sources said that due to the derailment and elephant body parts scattered on the tracks, train services to Upper Assam and other parts of the Northeast were affected.

Passengers from the affected coaches were temporarily accommodated in vacant berths available in other coaches of the train. Once the train reaches Guwahati, additional coaches will be attached to accommodate all passengers, after which the train will resume its onward journey.

The incident occurred at a location that is not a designated elephant corridor. The loco pilot, upon spotting the herd on the tracks, applied emergency brakes. Despite this, the elephants dashed into the train, leading to the collision and derailment.

Last month, an elephant was killed after being hit by a train in Dhupguri in West Bengal's Jalpaiguri district. The incident took place on November 30. 

The adult elephant was killed on the spot, and a calf was discovered lying injured beside the tracks. 

Over 70 Elephants Killed In Train Collisions Over Last 5 Years

At least 79 elephants have died in train collisions across the country in the last five years, the Environment Ministry had informed Parliament in August.

In a written reply in the Lok Sabha, Minister of State for Environment Kirti Vardhan Singh had said the figure is based on reports from state governments and Union Territory administrations for the period 2020-21 to 2024-25.

He said that the ministry does not maintain consolidated data on the deaths of other wild animals on railway tracks, including in designated elephant corridors.

Singh confirmed that three elephants, including a mother and her calf, were killed on July 18 this year after being hit by a speeding express train on the Kharagpur-Tatanagar section in West Bengal's Paschim Midnapore district. The incident took place near Banstala between Jhargram and Banstala stations.

The minister said several measures have been taken jointly by the Environment Ministry and the Railways to prevent such accidents.

These include imposing speed restrictions in elephant habitats, pilot projects such as seismic sensor-based detection of elephants near tracks and construction of underpasses, ramps and fencing at vulnerable points.

The Wildlife Institute of India, in consultation with the ministry and other stakeholders, has also issued guidelines titled 'Eco-friendly Measures to Mitigate Impacts of Linear Infrastructure' to help agencies design railways and other projects in ways that reduce human-animal conflicts.

Singh added that capacity-building workshops were conducted for railway officials at the Wildlife Institute of India in 2023 and 2024 to raise awareness on elephant conservation and protection.

A detailed report titled 'Suggested Measures to Mitigate Elephant & Other Wildlife Train Collisions on Vulnerable Railway Stretches in India' had also been prepared after surveys across 127 railway stretches covering 3,452 km.

Of these, 77 stretches spanning 1,965 km in 14 states were prioritised for mitigation, with site-specific interventions suggested.